28155213

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{3119}}^1$

素因数の和:3201

約数の個数: 24

約数和(自身を含む): 43804800

約数和(自身を除く): 15649587

約数列:

[1, 3, 9, 17, 51, 59, 153, 177, 531, 1003, 3009, 3119, 9027, 9357, 28071, 53023, 159069, 184021, 477207, 552063, 1656189, 3128357, 9385071, 28155213]

約数ペア:

[(1, 28155213), (3, 9385071), (9, 3128357), (17, 1656189), (51, 552063), (59, 477207), (153, 184021), (177, 159069), (531, 53023), (1003, 28071), (3009, 9357), (3119, 9027)]