20709513

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{2113}}^1$

素因数の和:2147

約数の個数: 30

約数和(自身を含む): 34020602

約数和(自身を除く): 13311089

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 121, 297, 363, 891, 1089, 2113, 3267, 6339, 9801, 19017, 23243, 57051, 69729, 171153, 209187, 255673, 627561, 767019, 1882683, 2301057, 6903171, 20709513]

約数ペア:

[(1, 20709513), (3, 6903171), (9, 2301057), (11, 1882683), (27, 767019), (33, 627561), (81, 255673), (99, 209187), (121, 171153), (297, 69729), (363, 57051), (891, 23243), (1089, 19017), (2113, 9801), (3267, 6339)]