28868265

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4973}}^1$

素因数の和:5030

約数の個数: 32

約数和(自身を含む): 52525440

約数和(自身を除く): 23657175

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 4973, 5805, 14919, 24865, 44757, 74595, 134271, 213839, 223785, 641517, 671355, 1069195, 1924551, 3207585, 5773653, 9622755, 28868265]

約数ペア:

[(1, 28868265), (3, 9622755), (5, 5773653), (9, 3207585), (15, 1924551), (27, 1069195), (43, 671355), (45, 641517), (129, 223785), (135, 213839), (215, 134271), (387, 74595), (645, 44757), (1161, 24865), (1935, 14919), (4973, 5805)]