19617417

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 30335360

約数和(自身を除く): 10717943

約数列:

[1, 3, 9, 27, 43, 61, 129, 183, 277, 387, 549, 831, 1161, 1647, 2493, 2623, 7479, 7869, 11911, 16897, 23607, 35733, 50691, 70821, 107199, 152073, 321597, 456219, 726571, 2179713, 6539139, 19617417]

約数ペア:

[(1, 19617417), (3, 6539139), (9, 2179713), (27, 726571), (43, 456219), (61, 321597), (129, 152073), (183, 107199), (277, 70821), (387, 50691), (549, 35733), (831, 23607), (1161, 16897), (1647, 11911), (2493, 7869), (2623, 7479)]