1221825

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1481}}^1$

素因数の和:1505

約数の個数: 24

約数和(自身を含む): 2205216

約数和(自身を除く): 983391

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 1481, 4443, 7405, 16291, 22215, 37025, 48873, 81455, 111075, 244365, 407275, 1221825]

約数ペア:

[(1, 1221825), (3, 407275), (5, 244365), (11, 111075), (15, 81455), (25, 48873), (33, 37025), (55, 22215), (75, 16291), (165, 7405), (275, 4443), (825, 1481)]