228401901

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{278879}}^1$

素因数の和:278905

約数の個数: 24

約数和(自身を含む): 406049280

約数和(自身を除く): 177647379

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 278879, 836637, 1952153, 2509911, 3625427, 5856459, 10876281, 17569377, 25377989, 32628843, 76133967, 228401901]

約数ペア:

[(1, 228401901), (3, 76133967), (7, 32628843), (9, 25377989), (13, 17569377), (21, 10876281), (39, 5856459), (63, 3625427), (91, 2509911), (117, 1952153), (273, 836637), (819, 278879)]