28936575

素因数分解:

$3^3\times 5^2\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:445

約数の個数: 48

約数和(自身を含む): 53687040

約数和(自身を除く): 24750465

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 163, 225, 263, 489, 675, 789, 815, 1315, 1467, 2367, 2445, 3945, 4075, 4401, 6575, 7101, 7335, 11835, 12225, 19725, 22005, 35505, 36675, 42869, 59175, 110025, 128607, 177525, 214345, 385821, 643035, 1071725, 1157463, 1929105, 3215175, 5787315, 9645525, 28936575]

約数ペア:

[(1, 28936575), (3, 9645525), (5, 5787315), (9, 3215175), (15, 1929105), (25, 1157463), (27, 1071725), (45, 643035), (75, 385821), (135, 214345), (163, 177525), (225, 128607), (263, 110025), (489, 59175), (675, 42869), (789, 36675), (815, 35505), (1315, 22005), (1467, 19725), (2367, 12225), (2445, 11835), (3945, 7335), (4075, 7101), (4401, 6575)]