1309869

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 2100384

約数和(自身を除く): 790515

約数列:

[1, 3, 9, 11, 33, 99, 101, 131, 303, 393, 909, 1111, 1179, 1441, 3333, 4323, 9999, 12969, 13231, 39693, 119079, 145541, 436623, 1309869]

約数ペア:

[(1, 1309869), (3, 436623), (9, 145541), (11, 119079), (33, 39693), (99, 13231), (101, 12969), (131, 9999), (303, 4323), (393, 3333), (909, 1441), (1111, 1179)]