90578655

素因数分解:

$3^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1609}}^1$

素因数の和:1765

約数の個数: 40

約数和(自身を含む): 163640400

約数和(自身を除く): 73061745

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 139, 405, 417, 695, 1251, 1609, 2085, 3753, 4827, 6255, 8045, 11259, 14481, 18765, 24135, 43443, 56295, 72405, 130329, 217215, 223651, 651645, 670953, 1118255, 2012859, 3354765, 6038577, 10064295, 18115731, 30192885, 90578655]

約数ペア:

[(1, 90578655), (3, 30192885), (5, 18115731), (9, 10064295), (15, 6038577), (27, 3354765), (45, 2012859), (81, 1118255), (135, 670953), (139, 651645), (405, 223651), (417, 217215), (695, 130329), (1251, 72405), (1609, 56295), (2085, 43443), (3753, 24135), (4827, 18765), (6255, 14481), (8045, 11259)]