15818949

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:354

約数の個数: 32

約数和(自身を含む): 24624000

約数和(自身を除く): 8805051

約数列:

[1, 3, 9, 27, 29, 87, 89, 227, 261, 267, 681, 783, 801, 2043, 2403, 2581, 6129, 6583, 7743, 19749, 20203, 23229, 59247, 60609, 69687, 177741, 181827, 545481, 585887, 1757661, 5272983, 15818949]

約数ペア:

[(1, 15818949), (3, 5272983), (9, 1757661), (27, 585887), (29, 545481), (87, 181827), (89, 177741), (227, 69687), (261, 60609), (267, 59247), (681, 23229), (783, 20203), (801, 19749), (2043, 7743), (2403, 6583), (2581, 6129)]