77665749

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3191}}^1$

素因数の和:3281

約数の個数: 32

約数和(自身を含む): 126658560

約数和(自身を除く): 48992811

約数列:

[1, 3, 7, 19, 21, 57, 61, 133, 183, 399, 427, 1159, 1281, 3191, 3477, 8113, 9573, 22337, 24339, 60629, 67011, 181887, 194651, 424403, 583953, 1273209, 1362557, 3698369, 4087671, 11095107, 25888583, 77665749]

約数ペア:

[(1, 77665749), (3, 25888583), (7, 11095107), (19, 4087671), (21, 3698369), (57, 1362557), (61, 1273209), (133, 583953), (183, 424403), (399, 194651), (427, 181887), (1159, 67011), (1281, 60629), (3191, 24339), (3477, 22337), (8113, 9573)]