228078909

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{39659}}^1$

素因数の和:39742

約数の個数: 20

約数和(自身を含む): 345517920

約数和(自身を除く): 117439011

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 39659, 118977, 356931, 1070793, 2815789, 3212379, 8447367, 25342101, 76026303, 228078909]

約数ペア:

[(1, 228078909), (3, 76026303), (9, 25342101), (27, 8447367), (71, 3212379), (81, 2815789), (213, 1070793), (639, 356931), (1917, 118977), (5751, 39659)]