15994017

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 26539968

約数和(自身を除く): 10545951

約数列:

[1, 3, 9, 13, 27, 39, 61, 81, 83, 117, 183, 243, 249, 351, 549, 747, 793, 1053, 1079, 1647, 2241, 2379, 3159, 3237, 4941, 5063, 6723, 7137, 9711, 14823, 15189, 20169, 21411, 29133, 45567, 64233, 65819, 87399, 136701, 192699, 197457, 262197, 410103, 592371, 1230309, 1777113, 5331339, 15994017]

約数ペア:

[(1, 15994017), (3, 5331339), (9, 1777113), (13, 1230309), (27, 592371), (39, 410103), (61, 262197), (81, 197457), (83, 192699), (117, 136701), (183, 87399), (243, 65819), (249, 64233), (351, 45567), (549, 29133), (747, 21411), (793, 20169), (1053, 15189), (1079, 14823), (1647, 9711), (2241, 7137), (2379, 6723), (3159, 5063), (3237, 4941)]