31788369

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:299

約数の個数: 40

約数和(自身を含む): 50320512

約数和(自身を除く): 18532143

約数列:

[1, 3, 9, 23, 27, 69, 81, 113, 151, 207, 339, 453, 621, 1017, 1359, 1863, 2599, 3051, 3473, 4077, 7797, 9153, 10419, 12231, 17063, 23391, 31257, 51189, 70173, 93771, 153567, 210519, 281313, 392449, 460701, 1177347, 1382103, 3532041, 10596123, 31788369]

約数ペア:

[(1, 31788369), (3, 10596123), (9, 3532041), (23, 1382103), (27, 1177347), (69, 460701), (81, 392449), (113, 281313), (151, 210519), (207, 153567), (339, 93771), (453, 70173), (621, 51189), (1017, 31257), (1359, 23391), (1863, 17063), (2599, 12231), (3051, 10419), (3473, 9153), (4077, 7797)]