255869289

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{6607}}^1$

素因数の和:6957

約数の個数: 24

約数和(自身を含む): 399281792

約数和(自身を除く): 143412503

約数列:

[1, 3, 9, 13, 39, 117, 331, 993, 2979, 4303, 6607, 12909, 19821, 38727, 59463, 85891, 257673, 773019, 2186917, 6560751, 19682253, 28429921, 85289763, 255869289]

約数ペア:

[(1, 255869289), (3, 85289763), (9, 28429921), (13, 19682253), (39, 6560751), (117, 2186917), (331, 773019), (993, 257673), (2979, 85891), (4303, 59463), (6607, 38727), (12909, 19821)]