128520609

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{149269}}^1$

素因数の和:149320

約数の個数: 16

約数和(自身を含む): 200618880

約数和(自身を除く): 72098271

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 149269, 447807, 1044883, 3134649, 6120029, 18360087, 42840203, 128520609]

約数ペア:

[(1, 128520609), (3, 42840203), (7, 18360087), (21, 6120029), (41, 3134649), (123, 1044883), (287, 447807), (861, 149269)]