81670455

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1619}}^1$

素因数の和:1708

約数の個数: 48

約数和(自身を含む): 151632000

約数和(自身を除く): 69961545

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 59, 95, 171, 177, 285, 295, 531, 855, 885, 1121, 1619, 2655, 3363, 4857, 5605, 8095, 10089, 14571, 16815, 24285, 30761, 50445, 72855, 92283, 95521, 153805, 276849, 286563, 461415, 477605, 859689, 1384245, 1432815, 1814899, 4298445, 5444697, 9074495, 16334091, 27223485, 81670455]

約数ペア:

[(1, 81670455), (3, 27223485), (5, 16334091), (9, 9074495), (15, 5444697), (19, 4298445), (45, 1814899), (57, 1432815), (59, 1384245), (95, 859689), (171, 477605), (177, 461415), (285, 286563), (295, 276849), (531, 153805), (855, 95521), (885, 92283), (1121, 72855), (1619, 50445), (2655, 30761), (3363, 24285), (4857, 16815), (5605, 14571), (8095, 10089)]