128354913

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{59}}^2\times {\mathrm{241}}^1$

素因数の和:382

約数の個数: 36

約数和(自身を含む): 200519748

約数和(自身を除く): 72164835

約数列:

[1, 3, 9, 17, 51, 59, 153, 177, 241, 531, 723, 1003, 2169, 3009, 3481, 4097, 9027, 10443, 12291, 14219, 31329, 36873, 42657, 59177, 127971, 177531, 241723, 532593, 725169, 838921, 2175507, 2516763, 7550289, 14261657, 42784971, 128354913]

約数ペア:

[(1, 128354913), (3, 42784971), (9, 14261657), (17, 7550289), (51, 2516763), (59, 2175507), (153, 838921), (177, 725169), (241, 532593), (531, 241723), (723, 177531), (1003, 127971), (2169, 59177), (3009, 42657), (3481, 36873), (4097, 31329), (9027, 14219), (10443, 12291)]