42420555

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 77635584

約数和(自身を除く): 35215029

約数列:

[1, 3, 5, 9, 15, 31, 45, 47, 93, 141, 155, 235, 279, 423, 465, 647, 705, 1395, 1457, 1941, 2115, 3235, 4371, 5823, 7285, 9705, 13113, 20057, 21855, 29115, 30409, 60171, 65565, 91227, 100285, 152045, 180513, 273681, 300855, 456135, 902565, 942679, 1368405, 2828037, 4713395, 8484111, 14140185, 42420555]

約数ペア:

[(1, 42420555), (3, 14140185), (5, 8484111), (9, 4713395), (15, 2828037), (31, 1368405), (45, 942679), (47, 902565), (93, 456135), (141, 300855), (155, 273681), (235, 180513), (279, 152045), (423, 100285), (465, 91227), (647, 65565), (705, 60171), (1395, 30409), (1457, 29115), (1941, 21855), (2115, 20057), (3235, 13113), (4371, 9705), (5823, 7285)]