18160731

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1487}}^1$

素因数の和:1575

約数の個数: 24

約数和(自身を含む): 27855360

約数和(自身を除く): 9694629

約数列:

[1, 3, 9, 23, 59, 69, 177, 207, 531, 1357, 1487, 4071, 4461, 12213, 13383, 34201, 87733, 102603, 263199, 307809, 789597, 2017859, 6053577, 18160731]

約数ペア:

[(1, 18160731), (3, 6053577), (9, 2017859), (23, 789597), (59, 307809), (69, 263199), (177, 102603), (207, 87733), (531, 34201), (1357, 13383), (1487, 12213), (4071, 4461)]