13938561

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:124

約数の個数: 80

約数和(自身を含む): 26887168

約数和(自身を除く): 12948607

約数列:

[1, 3, 7, 9, 13, 21, 27, 31, 39, 61, 63, 81, 91, 93, 117, 183, 189, 217, 273, 279, 351, 403, 427, 549, 567, 651, 793, 819, 837, 1053, 1209, 1281, 1647, 1891, 1953, 2379, 2457, 2511, 2821, 3627, 3843, 4941, 5551, 5673, 5859, 7137, 7371, 8463, 10881, 11529, 13237, 16653, 17019, 17577, 21411, 24583, 25389, 32643, 34587, 39711, 49959, 51057, 64233, 73749, 76167, 119133, 149877, 153171, 172081, 221247, 228501, 357399, 449631, 516243, 663741, 1072197, 1548729, 1991223, 4646187, 13938561]

約数ペア:

[(1, 13938561), (3, 4646187), (7, 1991223), (9, 1548729), (13, 1072197), (21, 663741), (27, 516243), (31, 449631), (39, 357399), (61, 228501), (63, 221247), (81, 172081), (91, 153171), (93, 149877), (117, 119133), (183, 76167), (189, 73749), (217, 64233), (273, 51057), (279, 49959), (351, 39711), (403, 34587), (427, 32643), (549, 25389), (567, 24583), (651, 21411), (793, 17577), (819, 17019), (837, 16653), (1053, 13237), (1209, 11529), (1281, 10881), (1647, 8463), (1891, 7371), (1953, 7137), (2379, 5859), (2457, 5673), (2511, 5551), (2821, 4941), (3627, 3843)]