42720987

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{10267}}^1$

素因数の和:10362

約数の個数: 16

約数和(自身を含む): 60786560

約数和(自身を除く): 18065573

約数列:

[1, 3, 19, 57, 73, 219, 1387, 4161, 10267, 30801, 195073, 585219, 749491, 2248473, 14240329, 42720987]

約数ペア:

[(1, 42720987), (3, 14240329), (19, 2248473), (57, 749491), (73, 585219), (219, 195073), (1387, 30801), (4161, 10267)]