28171425

素因数分解:

$3^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{3719}}^1$

素因数の和:3833

約数の個数: 24

約数和(自身を含む): 47050560

約数和(自身を除く): 18879135

約数列:

[1, 3, 5, 15, 25, 75, 101, 303, 505, 1515, 2525, 3719, 7575, 11157, 18595, 55785, 92975, 278925, 375619, 1126857, 1878095, 5634285, 9390475, 28171425]

約数ペア:

[(1, 28171425), (3, 9390475), (5, 5634285), (15, 1878095), (25, 1126857), (75, 375619), (101, 278925), (303, 92975), (505, 55785), (1515, 18595), (2525, 11157), (3719, 7575)]