161738991

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{397}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 244531200

約数和(自身を除く): 82792209

約数列:

[1, 3, 9, 27, 79, 191, 237, 397, 573, 711, 1191, 1719, 2133, 3573, 5157, 10719, 15089, 31363, 45267, 75827, 94089, 135801, 227481, 282267, 407403, 682443, 846801, 2047329, 5990333, 17970999, 53912997, 161738991]

約数ペア:

[(1, 161738991), (3, 53912997), (9, 17970999), (27, 5990333), (79, 2047329), (191, 846801), (237, 682443), (397, 407403), (573, 282267), (711, 227481), (1191, 135801), (1719, 94089), (2133, 75827), (3573, 45267), (5157, 31363), (10719, 15089)]