28177425

素因数分解:

$3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{2053}}^1$

素因数の和:2130

約数の個数: 36

約数和(自身を含む): 51321244

約数和(自身を除く): 23143819

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 183, 225, 305, 549, 915, 1525, 2053, 2745, 4575, 6159, 10265, 13725, 18477, 30795, 51325, 92385, 125233, 153975, 375699, 461925, 626165, 1127097, 1878495, 3130825, 5635485, 9392475, 28177425]

約数ペア:

[(1, 28177425), (3, 9392475), (5, 5635485), (9, 3130825), (15, 1878495), (25, 1127097), (45, 626165), (61, 461925), (75, 375699), (183, 153975), (225, 125233), (305, 92385), (549, 51325), (915, 30795), (1525, 18477), (2053, 13725), (2745, 10265), (4575, 6159)]