81141445

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{503}}^1$

素因数の和:945

約数の個数: 32

約数和(自身を含む): 121927680

約数和(自身を除く): 40786235

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 419, 503, 2095, 2515, 2933, 3521, 4609, 5533, 14665, 17605, 23045, 27665, 32263, 38731, 161315, 193655, 210757, 1053785, 1475299, 2318327, 7376495, 11591635, 16228289, 81141445]

約数ペア:

[(1, 81141445), (5, 16228289), (7, 11591635), (11, 7376495), (35, 2318327), (55, 1475299), (77, 1053785), (385, 210757), (419, 193655), (503, 161315), (2095, 38731), (2515, 32263), (2933, 27665), (3521, 23045), (4609, 17605), (5533, 14665)]