28195515

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{7549}}^1$

素因数の和:7643

約数の個数: 24

約数和(自身を含む): 49467600

約数和(自身を除く): 21272085

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 7549, 22647, 37745, 67941, 113235, 339705, 626567, 1879701, 3132835, 5639103, 9398505, 28195515]

約数ペア:

[(1, 28195515), (3, 9398505), (5, 5639103), (9, 3132835), (15, 1879701), (45, 626567), (83, 339705), (249, 113235), (415, 67941), (747, 37745), (1245, 22647), (3735, 7549)]