1228647

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1427}}^1$

素因数の和:1478

約数の個数: 16

約数和(自身を含む): 1919232

約数和(自身を除く): 690585

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 1427, 4281, 9989, 29967, 58507, 175521, 409549, 1228647]

約数ペア:

[(1, 1228647), (3, 409549), (7, 175521), (21, 58507), (41, 29967), (123, 9989), (287, 4281), (861, 1427)]