28775385

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4957}}^1$

素因数の和:5014

約数の個数: 32

約数和(自身を含む): 52356480

約数和(自身を除く): 23581095

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 4957, 5805, 14871, 24785, 44613, 74355, 133839, 213151, 223065, 639453, 669195, 1065755, 1918359, 3197265, 5755077, 9591795, 28775385]

約数ペア:

[(1, 28775385), (3, 9591795), (5, 5755077), (9, 3197265), (15, 1918359), (27, 1065755), (43, 669195), (45, 639453), (129, 223065), (135, 213151), (215, 133839), (387, 74355), (645, 44613), (1161, 24785), (1935, 14871), (4957, 5805)]