28998243

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{21059}}^1$

素因数の和:21088

約数の個数: 20

約数和(自身を含む): 45868680

約数和(自身を除く): 16870437

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 21059, 63177, 189531, 358003, 568593, 1074009, 1705779, 3222027, 9666081, 28998243]

約数ペア:

[(1, 28998243), (3, 9666081), (9, 3222027), (17, 1705779), (27, 1074009), (51, 568593), (81, 358003), (153, 189531), (459, 63177), (1377, 21059)]