208538199

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{2389}}^1$

素因数の和:2512

約数の個数: 32

約数和(自身を含む): 320068800

約数和(自身を除く): 111530601

約数列:

[1, 3, 9, 27, 53, 61, 159, 183, 477, 549, 1431, 1647, 2389, 3233, 7167, 9699, 21501, 29097, 64503, 87291, 126617, 145729, 379851, 437187, 1139553, 1311561, 3418659, 3934683, 7723637, 23170911, 69512733, 208538199]

約数ペア:

[(1, 208538199), (3, 69512733), (9, 23170911), (27, 7723637), (53, 3934683), (61, 3418659), (159, 1311561), (183, 1139553), (477, 437187), (549, 379851), (1431, 145729), (1647, 126617), (2389, 87291), (3233, 64503), (7167, 29097), (9699, 21501)]