81165564

素因数分解:

$2^2\times 3^4\times {\mathrm{31}}^1\times {\mathrm{8081}}^1$

素因数の和:8128

約数の個数: 60

約数和(自身を含む): 219054528

約数和(自身を除く): 137888964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 162, 186, 279, 324, 372, 558, 837, 1116, 1674, 2511, 3348, 5022, 8081, 10044, 16162, 24243, 32324, 48486, 72729, 96972, 145458, 218187, 250511, 290916, 436374, 501022, 654561, 751533, 872748, 1002044, 1309122, 1503066, 2254599, 2618244, 3006132, 4509198, 6763797, 9018396, 13527594, 20291391, 27055188, 40582782, 81165564]

約数ペア:

[(1, 81165564), (2, 40582782), (3, 27055188), (4, 20291391), (6, 13527594), (9, 9018396), (12, 6763797), (18, 4509198), (27, 3006132), (31, 2618244), (36, 2254599), (54, 1503066), (62, 1309122), (81, 1002044), (93, 872748), (108, 751533), (124, 654561), (162, 501022), (186, 436374), (279, 290916), (324, 250511), (372, 218187), (558, 145458), (837, 96972), (1116, 72729), (1674, 48486), (2511, 32324), (3348, 24243), (5022, 16162), (8081, 10044)]