28312425

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{5471}}^1$

素因数の和:5510

約数の個数: 36

約数和(自身を含む): 52925184

約数和(自身を除く): 24612759

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 207, 225, 345, 575, 1035, 1725, 5175, 5471, 16413, 27355, 49239, 82065, 125833, 136775, 246195, 377499, 410325, 629165, 1132497, 1230975, 1887495, 3145825, 5662485, 9437475, 28312425]

約数ペア:

[(1, 28312425), (3, 9437475), (5, 5662485), (9, 3145825), (15, 1887495), (23, 1230975), (25, 1132497), (45, 629165), (69, 410325), (75, 377499), (115, 246195), (207, 136775), (225, 125833), (345, 82065), (575, 49239), (1035, 27355), (1725, 16413), (5175, 5471)]