1261892979

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{1611613}}^1$

素因数の和:1611651

約数の個数: 16

約数和(自身を含む): 1933936800

約数和(自身を除く): 672043821

約数列:

[1, 3, 9, 27, 29, 87, 261, 783, 1611613, 4834839, 14504517, 43513551, 46736777, 140210331, 420630993, 1261892979]

約数ペア:

[(1, 1261892979), (3, 420630993), (9, 140210331), (27, 46736777), (29, 43513551), (87, 14504517), (261, 4834839), (783, 1611613)]