12920589

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6869}}^1$

素因数の和:6905

約数の個数: 24

約数和(自身を含む): 21434400

約数和(自身を除く): 8513811

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 6869, 20607, 61821, 75559, 130511, 226677, 391533, 680031, 1174599, 1435621, 4306863, 12920589]

約数ペア:

[(1, 12920589), (3, 4306863), (9, 1435621), (11, 1174599), (19, 680031), (33, 391533), (57, 226677), (99, 130511), (171, 75559), (209, 61821), (627, 20607), (1881, 6869)]