66876675

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 118206720

約数和(自身を除く): 51330045

約数列:

[1, 3, 5, 15, 19, 25, 57, 71, 75, 95, 213, 285, 355, 475, 661, 1065, 1349, 1425, 1775, 1983, 3305, 4047, 5325, 6745, 9915, 12559, 16525, 20235, 33725, 37677, 46931, 49575, 62795, 101175, 140793, 188385, 234655, 313975, 703965, 891689, 941925, 1173275, 2675067, 3519825, 4458445, 13375335, 22292225, 66876675]

約数ペア:

[(1, 66876675), (3, 22292225), (5, 13375335), (15, 4458445), (19, 3519825), (25, 2675067), (57, 1173275), (71, 941925), (75, 891689), (95, 703965), (213, 313975), (285, 234655), (355, 188385), (475, 140793), (661, 101175), (1065, 62795), (1349, 49575), (1425, 46931), (1775, 37677), (1983, 33725), (3305, 20235), (4047, 16525), (5325, 12559), (6745, 9915)]