13202271

素因数分解:

$3^4\times {\mathrm{389}}^1\times {\mathrm{419}}^1$

素因数の和:820

約数の個数: 20

約数和(自身を含む): 19819800

約数和(自身を除く): 6617529

約数列:

[1, 3, 9, 27, 81, 389, 419, 1167, 1257, 3501, 3771, 10503, 11313, 31509, 33939, 162991, 488973, 1466919, 4400757, 13202271]

約数ペア:

[(1, 13202271), (3, 4400757), (9, 1466919), (27, 488973), (81, 162991), (389, 33939), (419, 31509), (1167, 11313), (1257, 10503), (3501, 3771)]