258451389

素因数分解:

$3^2\times 7^1\times {\mathrm{541}}^1\times {\mathrm{7583}}^1$

素因数の和:8137

約数の個数: 24

約数和(自身を含む): 427494912

約数和(自身を除く): 169043523

約数列:

[1, 3, 7, 9, 21, 63, 541, 1623, 3787, 4869, 7583, 11361, 22749, 34083, 53081, 68247, 159243, 477729, 4102403, 12307209, 28716821, 36921627, 86150463, 258451389]

約数ペア:

[(1, 258451389), (3, 86150463), (7, 36921627), (9, 28716821), (21, 12307209), (63, 4102403), (541, 477729), (1623, 159243), (3787, 68247), (4869, 53081), (7583, 34083), (11361, 22749)]