253115121

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1\times {\mathrm{821}}^1$

素因数の和:1161

約数の個数: 32

約数和(自身を含む): 394875648

約数和(自身を除く): 141760527

約数列:

[1, 3, 7, 21, 53, 159, 277, 371, 821, 831, 1113, 1939, 2463, 5747, 5817, 14681, 17241, 43513, 44043, 102767, 130539, 227417, 304591, 308301, 682251, 913773, 1591919, 4775757, 12053101, 36159303, 84371707, 253115121]

約数ペア:

[(1, 253115121), (3, 84371707), (7, 36159303), (21, 12053101), (53, 4775757), (159, 1591919), (277, 913773), (371, 682251), (821, 308301), (831, 304591), (1113, 227417), (1939, 130539), (2463, 102767), (5747, 44043), (5817, 43513), (14681, 17241)]