27905199

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 43760640

約数和(自身を除く): 15855441

約数列:

[1, 3, 7, 21, 73, 109, 167, 219, 327, 501, 511, 763, 1169, 1533, 2289, 3507, 7957, 12191, 18203, 23871, 36573, 54609, 55699, 85337, 127421, 167097, 256011, 382263, 1328819, 3986457, 9301733, 27905199]

約数ペア:

[(1, 27905199), (3, 9301733), (7, 3986457), (21, 1328819), (73, 382263), (109, 256011), (167, 167097), (219, 127421), (327, 85337), (501, 55699), (511, 54609), (763, 36573), (1169, 23871), (1533, 18203), (2289, 12191), (3507, 7957)]