1405917

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{1021}}^1$

素因数の和:1050

約数の個数: 20

約数和(自身を含む): 2225916

約数和(自身を除く): 819999

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1021, 1377, 3063, 9189, 17357, 27567, 52071, 82701, 156213, 468639, 1405917]

約数ペア:

[(1, 1405917), (3, 468639), (9, 156213), (17, 82701), (27, 52071), (51, 27567), (81, 17357), (153, 9189), (459, 3063), (1021, 1377)]