16580475

素因数分解:

$3^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{1249}}^1$

素因数の和:1324

約数の個数: 36

約数和(自身を含む): 30225000

約数和(自身を除く): 13644525

約数列:

[1, 3, 5, 9, 15, 25, 45, 59, 75, 177, 225, 295, 531, 885, 1249, 1475, 2655, 3747, 4425, 6245, 11241, 13275, 18735, 31225, 56205, 73691, 93675, 221073, 281025, 368455, 663219, 1105365, 1842275, 3316095, 5526825, 16580475]

約数ペア:

[(1, 16580475), (3, 5526825), (5, 3316095), (9, 1842275), (15, 1105365), (25, 663219), (45, 368455), (59, 281025), (75, 221073), (177, 93675), (225, 73691), (295, 56205), (531, 31225), (885, 18735), (1249, 13275), (1475, 11241), (2655, 6245), (3747, 4425)]