639103725

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1447}}^1$

素因数の和:1627

約数の個数: 72

約数和(自身を含む): 1241781632

約数和(自身を除く): 602677907

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 151, 195, 225, 325, 453, 585, 755, 975, 1359, 1447, 1963, 2265, 2925, 3775, 4341, 5889, 6795, 7235, 9815, 11325, 13023, 17667, 18811, 21705, 29445, 33975, 36175, 49075, 56433, 65115, 88335, 94055, 108525, 147225, 169299, 218497, 282165, 325575, 441675, 470275, 655491, 846495, 1092485, 1410825, 1966473, 2840461, 3277455, 4232475, 5462425, 8521383, 9832365, 14202305, 16387275, 25564149, 42606915, 49161825, 71011525, 127820745, 213034575, 639103725]

約数ペア:

[(1, 639103725), (3, 213034575), (5, 127820745), (9, 71011525), (13, 49161825), (15, 42606915), (25, 25564149), (39, 16387275), (45, 14202305), (65, 9832365), (75, 8521383), (117, 5462425), (151, 4232475), (195, 3277455), (225, 2840461), (325, 1966473), (453, 1410825), (585, 1092485), (755, 846495), (975, 655491), (1359, 470275), (1447, 441675), (1963, 325575), (2265, 282165), (2925, 218497), (3775, 169299), (4341, 147225), (5889, 108525), (6795, 94055), (7235, 88335), (9815, 65115), (11325, 56433), (13023, 49075), (17667, 36175), (18811, 33975), (21705, 29445)]