249147

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:103

約数の個数: 24

約数和(自身を含む): 399360

約数和(自身を除く): 150213

約数列:

[1, 3, 9, 19, 31, 47, 57, 93, 141, 171, 279, 423, 589, 893, 1457, 1767, 2679, 4371, 5301, 8037, 13113, 27683, 83049, 249147]

約数ペア:

[(1, 249147), (3, 83049), (9, 27683), (19, 13113), (31, 8037), (47, 5301), (57, 4371), (93, 2679), (141, 1767), (171, 1457), (279, 893), (423, 589)]