218342175

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:992

約数の個数: 48

約数和(自身を含む): 374499840

約数和(自身を除く): 156157665

約数列:

[1, 3, 5, 15, 25, 43, 75, 79, 129, 215, 237, 395, 645, 857, 1075, 1185, 1975, 2571, 3225, 3397, 4285, 5925, 10191, 12855, 16985, 21425, 36851, 50955, 64275, 67703, 84925, 110553, 184255, 203109, 254775, 338515, 552765, 921275, 1015545, 1692575, 2763825, 2911229, 5077725, 8733687, 14556145, 43668435, 72780725, 218342175]

約数ペア:

[(1, 218342175), (3, 72780725), (5, 43668435), (15, 14556145), (25, 8733687), (43, 5077725), (75, 2911229), (79, 2763825), (129, 1692575), (215, 1015545), (237, 921275), (395, 552765), (645, 338515), (857, 254775), (1075, 203109), (1185, 184255), (1975, 110553), (2571, 84925), (3225, 67703), (3397, 64275), (4285, 50955), (5925, 36851), (10191, 21425), (12855, 16985)]