16798125

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^2\times {\mathrm{31}}^1$

素因数の和:88

約数の個数: 60

約数和(自身を含む): 30690176

約数和(自身を除く): 13892051

約数列:

[1, 3, 5, 15, 17, 25, 31, 51, 75, 85, 93, 125, 155, 255, 289, 375, 425, 465, 527, 625, 775, 867, 1275, 1445, 1581, 1875, 2125, 2325, 2635, 3875, 4335, 6375, 7225, 7905, 8959, 10625, 11625, 13175, 19375, 21675, 26877, 31875, 36125, 39525, 44795, 58125, 65875, 108375, 134385, 180625, 197625, 223975, 329375, 541875, 671925, 988125, 1119875, 3359625, 5599375, 16798125]

約数ペア:

[(1, 16798125), (3, 5599375), (5, 3359625), (15, 1119875), (17, 988125), (25, 671925), (31, 541875), (51, 329375), (75, 223975), (85, 197625), (93, 180625), (125, 134385), (155, 108375), (255, 65875), (289, 58125), (375, 44795), (425, 39525), (465, 36125), (527, 31875), (625, 26877), (775, 21675), (867, 19375), (1275, 13175), (1445, 11625), (1581, 10625), (1875, 8959), (2125, 7905), (2325, 7225), (2635, 6375), (3875, 4335)]