890243379

素因数分解:

$3^5\times {\mathrm{227}}^1\times {\mathrm{16139}}^1$

素因数の和:16381

約数の個数: 24

約数和(自身を含む): 1339490880

約数和(自身を除く): 449247501

約数列:

[1, 3, 9, 27, 81, 227, 243, 681, 2043, 6129, 16139, 18387, 48417, 55161, 145251, 435753, 1307259, 3663553, 3921777, 10990659, 32971977, 98915931, 296747793, 890243379]

約数ペア:

[(1, 890243379), (3, 296747793), (9, 98915931), (27, 32971977), (81, 10990659), (227, 3921777), (243, 3663553), (681, 1307259), (2043, 435753), (6129, 145251), (16139, 55161), (18387, 48417)]