65520819

素因数分解:

$3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2963}}^1$

素因数の和:2998

約数の個数: 48

約数和(自身を含む): 120836352

約数和(自身を除く): 55315533

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 243, 273, 351, 567, 819, 1053, 1701, 2457, 2963, 3159, 7371, 8889, 20741, 22113, 26667, 38519, 62223, 80001, 115557, 186669, 240003, 269633, 346671, 560007, 720009, 808899, 1040013, 1680021, 2426697, 3120039, 5040063, 7280091, 9360117, 21840273, 65520819]

約数ペア:

[(1, 65520819), (3, 21840273), (7, 9360117), (9, 7280091), (13, 5040063), (21, 3120039), (27, 2426697), (39, 1680021), (63, 1040013), (81, 808899), (91, 720009), (117, 560007), (189, 346671), (243, 269633), (273, 240003), (351, 186669), (567, 115557), (819, 80001), (1053, 62223), (1701, 38519), (2457, 26667), (2963, 22113), (3159, 20741), (7371, 8889)]