221519295

素因数分解:

$3^2\times 5^1\times {\mathrm{1667}}^1\times {\mathrm{2953}}^1$

素因数の和:4631

約数の個数: 24

約数和(自身を含む): 384327216

約数和(自身を除く): 162807921

約数列:

[1, 3, 5, 9, 15, 45, 1667, 2953, 5001, 8335, 8859, 14765, 15003, 25005, 26577, 44295, 75015, 132885, 4922651, 14767953, 24613255, 44303859, 73839765, 221519295]

約数ペア:

[(1, 221519295), (3, 73839765), (5, 44303859), (9, 24613255), (15, 14767953), (45, 4922651), (1667, 132885), (2953, 75015), (5001, 44295), (8335, 26577), (8859, 25005), (14765, 15003)]