12856425

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 23034240

約数和(自身を除く): 10177815

約数列:

[1, 3, 5, 15, 23, 25, 29, 69, 75, 87, 115, 145, 257, 345, 435, 575, 667, 725, 771, 1285, 1725, 2001, 2175, 3335, 3855, 5911, 6425, 7453, 10005, 16675, 17733, 19275, 22359, 29555, 37265, 50025, 88665, 111795, 147775, 171419, 186325, 443325, 514257, 558975, 857095, 2571285, 4285475, 12856425]

約数ペア:

[(1, 12856425), (3, 4285475), (5, 2571285), (15, 857095), (23, 558975), (25, 514257), (29, 443325), (69, 186325), (75, 171419), (87, 147775), (115, 111795), (145, 88665), (257, 50025), (345, 37265), (435, 29555), (575, 22359), (667, 19275), (725, 17733), (771, 16675), (1285, 10005), (1725, 7453), (2001, 6425), (2175, 5911), (3335, 3855)]