219921615

素因数分解:

$3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{27611}}^1$

素因数の和:27684

約数の個数: 32

約数和(自身を含む): 397612800

約数和(自身を除く): 177691185

約数列:

[1, 3, 5, 9, 15, 27, 45, 59, 135, 177, 295, 531, 885, 1593, 2655, 7965, 27611, 82833, 138055, 248499, 414165, 745497, 1242495, 1629049, 3727485, 4887147, 8145245, 14661441, 24435735, 43984323, 73307205, 219921615]

約数ペア:

[(1, 219921615), (3, 73307205), (5, 43984323), (9, 24435735), (15, 14661441), (27, 8145245), (45, 4887147), (59, 3727485), (135, 1629049), (177, 1242495), (295, 745497), (531, 414165), (885, 248499), (1593, 138055), (2655, 82833), (7965, 27611)]