2019281481

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{154841}}^1$

素因数の和:154883

約数の個数: 40

約数和(自身を含む): 3597289344

約数和(自身を除く): 1578007863

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 483, 567, 621, 1449, 1863, 4347, 13041, 154841, 464523, 1083887, 1393569, 3251661, 3561343, 4180707, 9754983, 10684029, 12542121, 24929401, 29264949, 32052087, 74788203, 87794847, 96156261, 224364609, 288468783, 673093827, 2019281481]

約数ペア:

[(1, 2019281481), (3, 673093827), (7, 288468783), (9, 224364609), (21, 96156261), (23, 87794847), (27, 74788203), (63, 32052087), (69, 29264949), (81, 24929401), (161, 12542121), (189, 10684029), (207, 9754983), (483, 4180707), (567, 3561343), (621, 3251661), (1449, 1393569), (1863, 1083887), (4347, 464523), (13041, 154841)]