278602011

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{83891}}^1$

素因数の和:83944

約数の個数: 20

約数和(自身を含む): 426339144

約数和(自身を除く): 147737133

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 83891, 251673, 755019, 2265057, 3439531, 6795171, 10318593, 30955779, 92867337, 278602011]

約数ペア:

[(1, 278602011), (3, 92867337), (9, 30955779), (27, 10318593), (41, 6795171), (81, 3439531), (123, 2265057), (369, 755019), (1107, 251673), (3321, 83891)]