168408885

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{2437}}^1$

素因数の和:2733

約数の個数: 32

約数和(自身を含む): 286474752

約数和(自身を除く): 118065867

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 271, 813, 1355, 2437, 4065, 4607, 7311, 12185, 13821, 23035, 36555, 41429, 69105, 124287, 207145, 621435, 660427, 1981281, 3302135, 9906405, 11227259, 33681777, 56136295, 168408885]

約数ペア:

[(1, 168408885), (3, 56136295), (5, 33681777), (15, 11227259), (17, 9906405), (51, 3302135), (85, 1981281), (255, 660427), (271, 621435), (813, 207145), (1355, 124287), (2437, 69105), (4065, 41429), (4607, 36555), (7311, 23035), (12185, 13821)]