201888405

素因数分解:

$3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{25933}}^1$

素因数の和:26117

約数の個数: 24

約数和(自身を含む): 351976248

約数和(自身を除く): 150087843

約数列:

[1, 3, 5, 9, 15, 45, 173, 519, 865, 1557, 2595, 7785, 25933, 77799, 129665, 233397, 388995, 1166985, 4486409, 13459227, 22432045, 40377681, 67296135, 201888405]

約数ペア:

[(1, 201888405), (3, 67296135), (5, 40377681), (9, 22432045), (15, 13459227), (45, 4486409), (173, 1166985), (519, 388995), (865, 233397), (1557, 129665), (2595, 77799), (7785, 25933)]