81431569302

素因数分解:

$2^1\times 3^1\times {\mathrm{21227}}^1\times {\mathrm{639371}}^1$

素因数の和:660603

約数の個数: 16

約数和(自身を含む): 162871065792

約数和(自身を除く): 81439496490

約数列:

[1, 2, 3, 6, 21227, 42454, 63681, 127362, 639371, 1278742, 1918113, 3836226, 13571928217, 27143856434, 40715784651, 81431569302]

約数ペア:

[(1, 81431569302), (2, 40715784651), (3, 27143856434), (6, 13571928217), (21227, 3836226), (42454, 1918113), (63681, 1278742), (127362, 639371)]