31058721

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:235

約数の個数: 40

約数和(自身を含む): 48380640

約数和(自身を除く): 17321919

約数列:

[1, 3, 9, 27, 59, 67, 81, 97, 177, 201, 291, 531, 603, 873, 1593, 1809, 2619, 3953, 4779, 5427, 5723, 6499, 7857, 11859, 17169, 19497, 35577, 51507, 58491, 106731, 154521, 175473, 320193, 383441, 463563, 526419, 1150323, 3450969, 10352907, 31058721]

約数ペア:

[(1, 31058721), (3, 10352907), (9, 3450969), (27, 1150323), (59, 526419), (67, 463563), (81, 383441), (97, 320193), (177, 175473), (201, 154521), (291, 106731), (531, 58491), (603, 51507), (873, 35577), (1593, 19497), (1809, 17169), (2619, 11859), (3953, 7857), (4779, 6499), (5427, 5723)]