61381881

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{68891}}^1$

素因数の和:68914

約数の個数: 20

約数和(自身を含む): 100031184

約数和(自身を除く): 38649303

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 68891, 206673, 620019, 757801, 1860057, 2273403, 5580171, 6820209, 20460627, 61381881]

約数ペア:

[(1, 61381881), (3, 20460627), (9, 6820209), (11, 5580171), (27, 2273403), (33, 1860057), (81, 757801), (99, 620019), (297, 206673), (891, 68891)]