177681231

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{7481}}^1$

素因数の和:7536

約数の個数: 48

約数和(自身を含む): 326813760

約数和(自身を除く): 149132529

約数列:

[1, 3, 7, 9, 13, 21, 29, 39, 63, 87, 91, 117, 203, 261, 273, 377, 609, 819, 1131, 1827, 2639, 3393, 7481, 7917, 22443, 23751, 52367, 67329, 97253, 157101, 216949, 291759, 471303, 650847, 680771, 875277, 1518643, 1952541, 2042313, 2820337, 4555929, 6126939, 8461011, 13667787, 19742359, 25383033, 59227077, 177681231]

約数ペア:

[(1, 177681231), (3, 59227077), (7, 25383033), (9, 19742359), (13, 13667787), (21, 8461011), (29, 6126939), (39, 4555929), (63, 2820337), (87, 2042313), (91, 1952541), (117, 1518643), (203, 875277), (261, 680771), (273, 650847), (377, 471303), (609, 291759), (819, 216949), (1131, 157101), (1827, 97253), (2639, 67329), (3393, 52367), (7481, 23751), (7917, 22443)]