139867815

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{4931}}^1$

素因数の和:5031

約数の個数: 32

約数和(自身を含む): 234842112

約数和(自身を除く): 94974297

約数列:

[1, 3, 5, 15, 31, 61, 93, 155, 183, 305, 465, 915, 1891, 4931, 5673, 9455, 14793, 24655, 28365, 73965, 152861, 300791, 458583, 764305, 902373, 1503955, 2292915, 4511865, 9324521, 27973563, 46622605, 139867815]

約数ペア:

[(1, 139867815), (3, 46622605), (5, 27973563), (15, 9324521), (31, 4511865), (61, 2292915), (93, 1503955), (155, 902373), (183, 764305), (305, 458583), (465, 300791), (915, 152861), (1891, 73965), (4931, 28365), (5673, 24655), (9455, 14793)]