398016591

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1\times {\mathrm{1291}}^1$

素因数の和:1631

約数の個数: 32

約数和(自身を含む): 620656128

約数和(自身を除く): 222639537

約数列:

[1, 3, 7, 21, 53, 159, 277, 371, 831, 1113, 1291, 1939, 3873, 5817, 9037, 14681, 27111, 44043, 68423, 102767, 205269, 308301, 357607, 478961, 1072821, 1436883, 2503249, 7509747, 18953171, 56859513, 132672197, 398016591]

約数ペア:

[(1, 398016591), (3, 132672197), (7, 56859513), (21, 18953171), (53, 7509747), (159, 2503249), (277, 1436883), (371, 1072821), (831, 478961), (1113, 357607), (1291, 308301), (1939, 205269), (3873, 102767), (5817, 68423), (9037, 44043), (14681, 27111)]