390506751

素因数分解:

$3^4\times {\mathrm{1381}}^1\times {\mathrm{3491}}^1$

素因数の和:4884

約数の個数: 20

約数和(自身を含む): 583939224

約数和(自身を除く): 193432473

約数列:

[1, 3, 9, 27, 81, 1381, 3491, 4143, 10473, 12429, 31419, 37287, 94257, 111861, 282771, 4821071, 14463213, 43389639, 130168917, 390506751]

約数ペア:

[(1, 390506751), (3, 130168917), (9, 43389639), (27, 14463213), (81, 4821071), (1381, 282771), (3491, 111861), (4143, 94257), (10473, 37287), (12429, 31419)]