12778155

素因数分解:

$3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1$

素因数の和:842

約数の個数: 48

約数和(自身を含む): 24766560

約数和(自身を除く): 11988405

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 243, 351, 405, 585, 809, 1053, 1215, 1755, 2427, 3159, 4045, 5265, 7281, 10517, 12135, 15795, 21843, 31551, 36405, 52585, 65529, 94653, 109215, 157755, 196587, 283959, 327645, 473265, 851877, 982935, 1419795, 2555631, 4259385, 12778155]

約数ペア:

[(1, 12778155), (3, 4259385), (5, 2555631), (9, 1419795), (13, 982935), (15, 851877), (27, 473265), (39, 327645), (45, 283959), (65, 196587), (81, 157755), (117, 109215), (135, 94653), (195, 65529), (243, 52585), (351, 36405), (405, 31551), (585, 21843), (809, 15795), (1053, 12135), (1215, 10517), (1755, 7281), (2427, 5265), (3159, 4045)]