28819575

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{5569}}^1$

素因数の和:5608

約数の個数: 36

約数和(自身を含む): 53873040

約数和(自身を除く): 25053465

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 207, 225, 345, 575, 1035, 1725, 5175, 5569, 16707, 27845, 50121, 83535, 128087, 139225, 250605, 384261, 417675, 640435, 1152783, 1253025, 1921305, 3202175, 5763915, 9606525, 28819575]

約数ペア:

[(1, 28819575), (3, 9606525), (5, 5763915), (9, 3202175), (15, 1921305), (23, 1253025), (25, 1152783), (45, 640435), (69, 417675), (75, 384261), (115, 250605), (207, 139225), (225, 128087), (345, 83535), (575, 50121), (1035, 27845), (1725, 16707), (5175, 5569)]