16618944975

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{11321}}^1$

素因数の和:11417

約数の個数: 72

約数和(自身を含む): 29502142992

約数和(自身を除く): 12883198017

約数列:

[1, 3, 5, 15, 23, 25, 37, 69, 75, 111, 115, 185, 345, 529, 555, 575, 851, 925, 1587, 1725, 2553, 2645, 2775, 4255, 7935, 11321, 12765, 13225, 19573, 21275, 33963, 39675, 56605, 58719, 63825, 97865, 169815, 260383, 283025, 293595, 418877, 489325, 781149, 849075, 1256631, 1301915, 1467975, 2094385, 3905745, 5988809, 6283155, 6509575, 9634171, 10471925, 17966427, 19528725, 28902513, 29944045, 31415775, 48170855, 89832135, 144512565, 149720225, 221585933, 240854275, 449160675, 664757799, 722562825, 1107929665, 3323788995, 5539648325, 16618944975]

約数ペア:

[(1, 16618944975), (3, 5539648325), (5, 3323788995), (15, 1107929665), (23, 722562825), (25, 664757799), (37, 449160675), (69, 240854275), (75, 221585933), (111, 149720225), (115, 144512565), (185, 89832135), (345, 48170855), (529, 31415775), (555, 29944045), (575, 28902513), (851, 19528725), (925, 17966427), (1587, 10471925), (1725, 9634171), (2553, 6509575), (2645, 6283155), (2775, 5988809), (4255, 3905745), (7935, 2094385), (11321, 1467975), (12765, 1301915), (13225, 1256631), (19573, 849075), (21275, 781149), (33963, 489325), (39675, 418877), (56605, 293595), (58719, 283025), (63825, 260383), (97865, 169815)]