16541025

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 29331456

約数和(自身を除く): 12790431

約数列:

[1, 3, 5, 15, 23, 25, 43, 69, 75, 115, 129, 215, 223, 345, 575, 645, 669, 989, 1075, 1115, 1725, 2967, 3225, 3345, 4945, 5129, 5575, 9589, 14835, 15387, 16725, 24725, 25645, 28767, 47945, 74175, 76935, 128225, 143835, 220547, 239725, 384675, 661641, 719175, 1102735, 3308205, 5513675, 16541025]

約数ペア:

[(1, 16541025), (3, 5513675), (5, 3308205), (15, 1102735), (23, 719175), (25, 661641), (43, 384675), (69, 239725), (75, 220547), (115, 143835), (129, 128225), (215, 76935), (223, 74175), (345, 47945), (575, 28767), (645, 25645), (669, 24725), (989, 16725), (1075, 15387), (1115, 14835), (1725, 9589), (2967, 5575), (3225, 5129), (3345, 4945)]