248507025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{254879}}^1$

素因数の和:254905

約数の個数: 24

約数和(自身を含む): 442471680

約数和(自身を除く): 193964655

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 254879, 764637, 1274395, 3313427, 3823185, 6371975, 9940281, 16567135, 19115925, 49701405, 82835675, 248507025]

約数ペア:

[(1, 248507025), (3, 82835675), (5, 49701405), (13, 19115925), (15, 16567135), (25, 9940281), (39, 6371975), (65, 3823185), (75, 3313427), (195, 1274395), (325, 764637), (975, 254879)]