27990018

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1151}}^1$

素因数の和:1359

約数の個数: 48

約数和(自身を含む): 69728256

約数和(自身を除く): 41738238

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 193, 386, 579, 1151, 1158, 1351, 1737, 2302, 2702, 3453, 3474, 4053, 6906, 8057, 8106, 10359, 12159, 16114, 20718, 24171, 24318, 48342, 72513, 145026, 222143, 444286, 666429, 1332858, 1555001, 1999287, 3110002, 3998574, 4665003, 9330006, 13995009, 27990018]

約数ペア:

[(1, 27990018), (2, 13995009), (3, 9330006), (6, 4665003), (7, 3998574), (9, 3110002), (14, 1999287), (18, 1555001), (21, 1332858), (42, 666429), (63, 444286), (126, 222143), (193, 145026), (386, 72513), (579, 48342), (1151, 24318), (1158, 24171), (1351, 20718), (1737, 16114), (2302, 12159), (2702, 10359), (3453, 8106), (3474, 8057), (4053, 6906)]