12640341

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 20176128

約数和(自身を除く): 7535787

約数列:

[1, 3, 7, 21, 41, 53, 123, 159, 277, 287, 371, 831, 861, 1113, 1939, 2173, 5817, 6519, 11357, 14681, 15211, 34071, 44043, 45633, 79499, 102767, 238497, 308301, 601921, 1805763, 4213447, 12640341]

約数ペア:

[(1, 12640341), (3, 4213447), (7, 1805763), (21, 601921), (41, 308301), (53, 238497), (123, 102767), (159, 79499), (277, 45633), (287, 44043), (371, 34071), (831, 15211), (861, 14681), (1113, 11357), (1939, 6519), (2173, 5817)]