21801825

素因数分解:

$3^3\times 5^2\times {\mathrm{32299}}^1$

素因数の和:32318

約数の個数: 24

約数和(自身を含む): 40052000

約数和(自身を除く): 18250175

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 32299, 96897, 161495, 290691, 484485, 807475, 872073, 1453455, 2422425, 4360365, 7267275, 21801825]

約数ペア:

[(1, 21801825), (3, 7267275), (5, 4360365), (9, 2422425), (15, 1453455), (25, 872073), (27, 807475), (45, 484485), (75, 290691), (135, 161495), (225, 96897), (675, 32299)]