81319875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2383}}^1$

素因数の和:2421

約数の個数: 64

約数和(自身を含む): 166612992

約数和(自身を除く): 85293117

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 75, 91, 105, 125, 175, 195, 273, 325, 375, 455, 525, 875, 975, 1365, 1625, 2275, 2383, 2625, 4875, 6825, 7149, 11375, 11915, 16681, 30979, 34125, 35745, 50043, 59575, 83405, 92937, 154895, 178725, 216853, 250215, 297875, 417025, 464685, 650559, 774475, 893625, 1084265, 1251075, 2085125, 2323425, 3252795, 3872375, 5421325, 6255375, 11617125, 16263975, 27106625, 81319875]

約数ペア:

[(1, 81319875), (3, 27106625), (5, 16263975), (7, 11617125), (13, 6255375), (15, 5421325), (21, 3872375), (25, 3252795), (35, 2323425), (39, 2085125), (65, 1251075), (75, 1084265), (91, 893625), (105, 774475), (125, 650559), (175, 464685), (195, 417025), (273, 297875), (325, 250215), (375, 216853), (455, 178725), (525, 154895), (875, 92937), (975, 83405), (1365, 59575), (1625, 50043), (2275, 35745), (2383, 34125), (2625, 30979), (4875, 16681), (6825, 11915), (7149, 11375)]