84870885

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{383}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 159252480

約数和(自身を除く): 74381595

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 79, 85, 165, 187, 237, 255, 383, 395, 561, 869, 935, 1149, 1185, 1343, 1915, 2607, 2805, 4029, 4213, 4345, 5745, 6511, 6715, 12639, 13035, 14773, 19533, 20145, 21065, 30257, 32555, 44319, 63195, 71621, 73865, 90771, 97665, 151285, 214863, 221595, 332827, 358105, 453855, 514369, 998481, 1074315, 1543107, 1664135, 2571845, 4992405, 5658059, 7715535, 16974177, 28290295, 84870885]

約数ペア:

[(1, 84870885), (3, 28290295), (5, 16974177), (11, 7715535), (15, 5658059), (17, 4992405), (33, 2571845), (51, 1664135), (55, 1543107), (79, 1074315), (85, 998481), (165, 514369), (187, 453855), (237, 358105), (255, 332827), (383, 221595), (395, 214863), (561, 151285), (869, 97665), (935, 90771), (1149, 73865), (1185, 71621), (1343, 63195), (1915, 44319), (2607, 32555), (2805, 30257), (4029, 21065), (4213, 20145), (4345, 19533), (5745, 14773), (6511, 13035), (6715, 12639)]