16518411

素因数分解:

$3^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:124

約数の個数: 64

約数和(自身を含む): 30858240

約数和(自身を除く): 14339829

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 83, 91, 117, 189, 243, 249, 273, 351, 567, 581, 729, 747, 819, 1053, 1079, 1701, 1743, 2187, 2241, 2457, 3159, 3237, 5103, 5229, 6723, 7371, 7553, 9477, 9711, 15309, 15687, 20169, 22113, 22659, 28431, 29133, 47061, 60507, 66339, 67977, 87399, 141183, 181521, 199017, 203931, 262197, 423549, 611793, 786591, 1270647, 1835379, 2359773, 5506137, 16518411]

約数ペア:

[(1, 16518411), (3, 5506137), (7, 2359773), (9, 1835379), (13, 1270647), (21, 786591), (27, 611793), (39, 423549), (63, 262197), (81, 203931), (83, 199017), (91, 181521), (117, 141183), (189, 87399), (243, 67977), (249, 66339), (273, 60507), (351, 47061), (567, 29133), (581, 28431), (729, 22659), (747, 22113), (819, 20169), (1053, 15687), (1079, 15309), (1701, 9711), (1743, 9477), (2187, 7553), (2241, 7371), (2457, 6723), (3159, 5229), (3237, 5103)]