71747325

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1291}}^1$

素因数の和:1339

約数の個数: 72

約数和(自身を含む): 145789280

約数和(自身を除く): 74041955

約数列:

[1, 3, 5, 9, 13, 15, 19, 25, 39, 45, 57, 65, 75, 95, 117, 171, 195, 225, 247, 285, 325, 475, 585, 741, 855, 975, 1235, 1291, 1425, 2223, 2925, 3705, 3873, 4275, 6175, 6455, 11115, 11619, 16783, 18525, 19365, 24529, 32275, 50349, 55575, 58095, 73587, 83915, 96825, 122645, 151047, 220761, 251745, 290475, 318877, 367935, 419575, 613225, 755235, 956631, 1103805, 1258725, 1594385, 1839675, 2869893, 3776175, 4783155, 5519025, 7971925, 14349465, 23915775, 71747325]

約数ペア:

[(1, 71747325), (3, 23915775), (5, 14349465), (9, 7971925), (13, 5519025), (15, 4783155), (19, 3776175), (25, 2869893), (39, 1839675), (45, 1594385), (57, 1258725), (65, 1103805), (75, 956631), (95, 755235), (117, 613225), (171, 419575), (195, 367935), (225, 318877), (247, 290475), (285, 251745), (325, 220761), (475, 151047), (585, 122645), (741, 96825), (855, 83915), (975, 73587), (1235, 58095), (1291, 55575), (1425, 50349), (2223, 32275), (2925, 24529), (3705, 19365), (3873, 18525), (4275, 16783), (6175, 11619), (6455, 11115)]