1668362805

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:288

約数の個数: 128

約数和(自身を含む): 3200778240

約数和(自身を除く): 1532415435

約数列:

[1, 3, 5, 9, 15, 27, 31, 43, 45, 73, 93, 127, 129, 135, 155, 215, 219, 279, 365, 381, 387, 465, 635, 645, 657, 837, 1095, 1143, 1161, 1333, 1395, 1905, 1935, 1971, 2263, 3139, 3285, 3429, 3937, 3999, 4185, 5461, 5715, 5805, 6665, 6789, 9271, 9417, 9855, 11315, 11811, 11997, 15695, 16383, 17145, 19685, 19995, 20367, 27305, 27813, 28251, 33945, 35433, 35991, 46355, 47085, 49149, 59055, 59985, 61101, 81915, 83439, 84753, 97309, 101835, 106299, 139065, 141255, 147447, 169291, 177165, 179955, 245745, 250317, 287401, 291927, 305505, 398653, 417195, 423765, 486545, 507873, 531495, 737235, 846455, 862203, 875781, 1195959, 1251585, 1437005, 1459635, 1523619, 1993265, 2539365, 2586609, 2627343, 3587877, 4311015, 4378905, 4570857, 5979795, 7618095, 7759827, 10763631, 12358243, 12933045, 13136715, 17939385, 22854285, 37074729, 38799135, 53818155, 61791215, 111224187, 185373645, 333672561, 556120935, 1668362805]

約数ペア:

[(1, 1668362805), (3, 556120935), (5, 333672561), (9, 185373645), (15, 111224187), (27, 61791215), (31, 53818155), (43, 38799135), (45, 37074729), (73, 22854285), (93, 17939385), (127, 13136715), (129, 12933045), (135, 12358243), (155, 10763631), (215, 7759827), (219, 7618095), (279, 5979795), (365, 4570857), (381, 4378905), (387, 4311015), (465, 3587877), (635, 2627343), (645, 2586609), (657, 2539365), (837, 1993265), (1095, 1523619), (1143, 1459635), (1161, 1437005), (1333, 1251585), (1395, 1195959), (1905, 875781), (1935, 862203), (1971, 846455), (2263, 737235), (3139, 531495), (3285, 507873), (3429, 486545), (3937, 423765), (3999, 417195), (4185, 398653), (5461, 305505), (5715, 291927), (5805, 287401), (6665, 250317), (6789, 245745), (9271, 179955), (9417, 177165), (9855, 169291), (11315, 147447), (11811, 141255), (11997, 139065), (15695, 106299), (16383, 101835), (17145, 97309), (19685, 84753), (19995, 83439), (20367, 81915), (27305, 61101), (27813, 59985), (28251, 59055), (33945, 49149), (35433, 47085), (35991, 46355)]