40399515

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1303}}^1$

素因数の和:1380

約数の個数: 48

約数和(自身を含む): 76894272

約数和(自身を除く): 36494757

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 53, 65, 117, 159, 195, 265, 477, 585, 689, 795, 1303, 2067, 2385, 3445, 3909, 6201, 6515, 10335, 11727, 16939, 19545, 31005, 50817, 58635, 69059, 84695, 152451, 207177, 254085, 345295, 621531, 762255, 897767, 1035885, 2693301, 3107655, 4488835, 8079903, 13466505, 40399515]

約数ペア:

[(1, 40399515), (3, 13466505), (5, 8079903), (9, 4488835), (13, 3107655), (15, 2693301), (39, 1035885), (45, 897767), (53, 762255), (65, 621531), (117, 345295), (159, 254085), (195, 207177), (265, 152451), (477, 84695), (585, 69059), (689, 58635), (795, 50817), (1303, 31005), (2067, 19545), (2385, 16939), (3445, 11727), (3909, 10335), (6201, 6515)]