256484241

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{32719}}^1$

素因数の和:32805

約数の個数: 24

約数和(自身を含む): 404942720

約数和(自身を除く): 148458479

約数列:

[1, 3, 9, 13, 39, 67, 117, 201, 603, 871, 2613, 7839, 32719, 98157, 294471, 425347, 1276041, 2192173, 3828123, 6576519, 19729557, 28498249, 85494747, 256484241]

約数ペア:

[(1, 256484241), (3, 85494747), (9, 28498249), (13, 19729557), (39, 6576519), (67, 3828123), (117, 2192173), (201, 1276041), (603, 425347), (871, 294471), (2613, 98157), (7839, 32719)]