207731205

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{499}}^1$

素因数の和:579

約数の個数: 72

約数和(自身を含む): 407628000

約数和(自身を除く): 199896795

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 145, 165, 261, 319, 435, 495, 499, 841, 957, 1305, 1497, 1595, 2495, 2523, 2871, 4205, 4491, 4785, 5489, 7485, 7569, 9251, 12615, 14355, 14471, 16467, 22455, 27445, 27753, 37845, 43413, 46255, 49401, 72355, 82335, 83259, 130239, 138765, 159181, 217065, 247005, 416295, 419659, 477543, 651195, 795905, 1258977, 1432629, 2098295, 2387715, 3776931, 4616249, 6294885, 7163145, 13848747, 18884655, 23081245, 41546241, 69243735, 207731205]

約数ペア:

[(1, 207731205), (3, 69243735), (5, 41546241), (9, 23081245), (11, 18884655), (15, 13848747), (29, 7163145), (33, 6294885), (45, 4616249), (55, 3776931), (87, 2387715), (99, 2098295), (145, 1432629), (165, 1258977), (261, 795905), (319, 651195), (435, 477543), (495, 419659), (499, 416295), (841, 247005), (957, 217065), (1305, 159181), (1497, 138765), (1595, 130239), (2495, 83259), (2523, 82335), (2871, 72355), (4205, 49401), (4491, 46255), (4785, 43413), (5489, 37845), (7485, 27753), (7569, 27445), (9251, 22455), (12615, 16467), (14355, 14471)]