238412727

素因数分解:

$3^4\times 7^1\times {\mathrm{420481}}^1$

素因数の和:420500

約数の個数: 20

約数和(自身を含む): 407026576

約数和(自身を除く): 168613849

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 420481, 1261443, 2943367, 3784329, 8830101, 11352987, 26490303, 34058961, 79470909, 238412727]

約数ペア:

[(1, 238412727), (3, 79470909), (7, 34058961), (9, 26490303), (21, 11352987), (27, 8830101), (63, 3784329), (81, 2943367), (189, 1261443), (567, 420481)]