42840495

素因数分解:

$3^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{761}}^1$

素因数の和:917

約数の個数: 40

約数和(自身を含む): 77449680

約数和(自身を除く): 34609185

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 139, 405, 417, 695, 761, 1251, 2085, 2283, 3753, 3805, 6255, 6849, 11259, 11415, 18765, 20547, 34245, 56295, 61641, 102735, 105779, 308205, 317337, 528895, 952011, 1586685, 2856033, 4760055, 8568099, 14280165, 42840495]

約数ペア:

[(1, 42840495), (3, 14280165), (5, 8568099), (9, 4760055), (15, 2856033), (27, 1586685), (45, 952011), (81, 528895), (135, 317337), (139, 308205), (405, 105779), (417, 102735), (695, 61641), (761, 56295), (1251, 34245), (2085, 20547), (2283, 18765), (3753, 11415), (3805, 11259), (6255, 6849)]