31429359

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 51760800

約数和(自身を除く): 20331441

約数列:

[1, 3, 9, 13, 29, 39, 59, 87, 117, 157, 177, 261, 377, 471, 531, 767, 1131, 1413, 1711, 2041, 2301, 3393, 4553, 5133, 6123, 6903, 9263, 13659, 15399, 18369, 22243, 27789, 40977, 59189, 66729, 83367, 120419, 177567, 200187, 268627, 361257, 532701, 805881, 1083771, 2417643, 3492151, 10476453, 31429359]

約数ペア:

[(1, 31429359), (3, 10476453), (9, 3492151), (13, 2417643), (29, 1083771), (39, 805881), (59, 532701), (87, 361257), (117, 268627), (157, 200187), (177, 177567), (261, 120419), (377, 83367), (471, 66729), (531, 59189), (767, 40977), (1131, 27789), (1413, 22243), (1711, 18369), (2041, 15399), (2301, 13659), (3393, 9263), (4553, 6903), (5133, 6123)]