81643986

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{74357}}^1$

素因数の和:74426

約数の個数: 24

約数和(自身を含む): 179797644

約数和(自身を除く): 98153658

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098, 74357, 148714, 223071, 446142, 669213, 1338426, 4535777, 9071554, 13607331, 27214662, 40821993, 81643986]

約数ペア:

[(1, 81643986), (2, 40821993), (3, 27214662), (6, 13607331), (9, 9071554), (18, 4535777), (61, 1338426), (122, 669213), (183, 446142), (366, 223071), (549, 148714), (1098, 74357)]