13831155

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 80

約数和(自身を含む): 27808704

約数和(自身を除く): 13977549

約数列:

[1, 3, 5, 9, 13, 15, 27, 37, 39, 45, 65, 71, 81, 111, 117, 135, 185, 195, 213, 333, 351, 355, 405, 481, 555, 585, 639, 923, 999, 1053, 1065, 1443, 1665, 1755, 1917, 2405, 2627, 2769, 2997, 3195, 4329, 4615, 4995, 5265, 5751, 7215, 7881, 8307, 9585, 12987, 13135, 13845, 14985, 21645, 23643, 24921, 28755, 34151, 38961, 39405, 41535, 64935, 70929, 74763, 102453, 118215, 124605, 170755, 194805, 212787, 307359, 354645, 373815, 512265, 922077, 1063935, 1536795, 2766231, 4610385, 13831155]

約数ペア:

[(1, 13831155), (3, 4610385), (5, 2766231), (9, 1536795), (13, 1063935), (15, 922077), (27, 512265), (37, 373815), (39, 354645), (45, 307359), (65, 212787), (71, 194805), (81, 170755), (111, 124605), (117, 118215), (135, 102453), (185, 74763), (195, 70929), (213, 64935), (333, 41535), (351, 39405), (355, 38961), (405, 34151), (481, 28755), (555, 24921), (585, 23643), (639, 21645), (923, 14985), (999, 13845), (1053, 13135), (1065, 12987), (1443, 9585), (1665, 8307), (1755, 7881), (1917, 7215), (2405, 5751), (2627, 5265), (2769, 4995), (2997, 4615), (3195, 4329)]