261156567

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{731531}}^1$

素因数の和:731558

約数の個数: 16

約数和(自身を含む): 421362432

約数和(自身を除く): 160205865

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 731531, 2194593, 5120717, 12436027, 15362151, 37308081, 87052189, 261156567]

約数ペア:

[(1, 261156567), (3, 87052189), (7, 37308081), (17, 15362151), (21, 12436027), (51, 5120717), (119, 2194593), (357, 731531)]