13815375

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 27755520

約数和(自身を除く): 13940145

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 125, 133, 175, 277, 285, 375, 399, 475, 525, 665, 831, 875, 1385, 1425, 1939, 1995, 2375, 2625, 3325, 4155, 5263, 5817, 6925, 7125, 9695, 9975, 15789, 16625, 20775, 26315, 29085, 34625, 36841, 48475, 49875, 78945, 103875, 110523, 131575, 145425, 184205, 242375, 394725, 552615, 657875, 727125, 921025, 1973625, 2763075, 4605125, 13815375]

約数ペア:

[(1, 13815375), (3, 4605125), (5, 2763075), (7, 1973625), (15, 921025), (19, 727125), (21, 657875), (25, 552615), (35, 394725), (57, 242375), (75, 184205), (95, 145425), (105, 131575), (125, 110523), (133, 103875), (175, 78945), (277, 49875), (285, 48475), (375, 36841), (399, 34625), (475, 29085), (525, 26315), (665, 20775), (831, 16625), (875, 15789), (1385, 9975), (1425, 9695), (1939, 7125), (1995, 6925), (2375, 5817), (2625, 5263), (3325, 4155)]