28765575

素因数分解:

$3^2\times 5^2\times {\mathrm{173}}^1\times {\mathrm{739}}^1$

素因数の和:928

約数の個数: 36

約数和(自身を含む): 51890280

約数和(自身を除く): 23124705

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 173, 225, 519, 739, 865, 1557, 2217, 2595, 3695, 4325, 6651, 7785, 11085, 12975, 18475, 33255, 38925, 55425, 127847, 166275, 383541, 639235, 1150623, 1917705, 3196175, 5753115, 9588525, 28765575]

約数ペア:

[(1, 28765575), (3, 9588525), (5, 5753115), (9, 3196175), (15, 1917705), (25, 1150623), (45, 639235), (75, 383541), (173, 166275), (225, 127847), (519, 55425), (739, 38925), (865, 33255), (1557, 18475), (2217, 12975), (2595, 11085), (3695, 7785), (4325, 6651)]