1640984331

素因数分解:

$3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{409121}}^1$

素因数の和:409322

約数の個数: 16

約数和(自身を含む): 2513645568

約数和(自身を除く): 872661237

約数列:

[1, 3, 7, 21, 191, 573, 1337, 4011, 409121, 1227363, 2863847, 8591541, 78142111, 234426333, 546994777, 1640984331]

約数ペア:

[(1, 1640984331), (3, 546994777), (7, 234426333), (21, 78142111), (191, 8591541), (573, 2863847), (1337, 1227363), (4011, 409121)]