289133793

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{30509}}^1$

素因数の和:30540

約数の個数: 28

約数和(自身を含む): 466864020

約数和(自身を除く): 177730227

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 3159, 9477, 30509, 91527, 274581, 396617, 823743, 1189851, 2471229, 3569553, 7413687, 10708659, 22241061, 32125977, 96377931, 289133793]

約数ペア:

[(1, 289133793), (3, 96377931), (9, 32125977), (13, 22241061), (27, 10708659), (39, 7413687), (81, 3569553), (117, 2471229), (243, 1189851), (351, 823743), (729, 396617), (1053, 274581), (3159, 91527), (9477, 30509)]