28089675

素因数分解:

$3^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{953}}^1$

素因数の和:1100

約数の個数: 36

約数和(自身を含む): 50748984

約数和(自身を除く): 22659309

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 131, 225, 393, 655, 953, 1179, 1965, 2859, 3275, 4765, 5895, 8577, 9825, 14295, 23825, 29475, 42885, 71475, 124843, 214425, 374529, 624215, 1123587, 1872645, 3121075, 5617935, 9363225, 28089675]

約数ペア:

[(1, 28089675), (3, 9363225), (5, 5617935), (9, 3121075), (15, 1872645), (25, 1123587), (45, 624215), (75, 374529), (131, 214425), (225, 124843), (393, 71475), (655, 42885), (953, 29475), (1179, 23825), (1965, 14295), (2859, 9825), (3275, 8577), (4765, 5895)]