637389

素因数分解:

$3^5\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:119

約数の個数: 24

約数和(自身を含む): 992992

約数和(自身を除く): 355603

約数列:

[1, 3, 9, 27, 43, 61, 81, 129, 183, 243, 387, 549, 1161, 1647, 2623, 3483, 4941, 7869, 10449, 14823, 23607, 70821, 212463, 637389]

約数ペア:

[(1, 637389), (3, 212463), (9, 70821), (27, 23607), (43, 14823), (61, 10449), (81, 7869), (129, 4941), (183, 3483), (243, 2623), (387, 1647), (549, 1161)]