69480387

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{479}}^1$

素因数の和:783

約数の個数: 24

約数和(自身を含む): 102435840

約数和(自身を除く): 32955453

約数列:

[1, 3, 9, 71, 213, 227, 479, 639, 681, 1437, 2043, 4311, 16117, 34009, 48351, 102027, 108733, 145053, 306081, 326199, 978597, 7720043, 23160129, 69480387]

約数ペア:

[(1, 69480387), (3, 23160129), (9, 7720043), (71, 978597), (213, 326199), (227, 306081), (479, 145053), (639, 108733), (681, 102027), (1437, 48351), (2043, 34009), (4311, 16117)]