15947631

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4441}}^1$

素因数の和:4476

約数の個数: 32

約数和(自身を含む): 28428800

約数和(自身を除く): 12481169

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 4441, 13323, 31087, 39969, 84379, 93261, 119907, 253137, 279783, 590653, 759411, 839349, 1771959, 2278233, 5315877, 15947631]

約数ペア:

[(1, 15947631), (3, 5315877), (7, 2278233), (9, 1771959), (19, 839349), (21, 759411), (27, 590653), (57, 279783), (63, 253137), (133, 119907), (171, 93261), (189, 84379), (399, 39969), (513, 31087), (1197, 13323), (3591, 4441)]