249948867

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{1613}}^1$

素因数の和:1827

約数の個数: 32

約数和(自身を含む): 391698432

約数和(自身を除く): 141749565

約数列:

[1, 3, 7, 21, 47, 141, 157, 329, 471, 987, 1099, 1613, 3297, 4839, 7379, 11291, 22137, 33873, 51653, 75811, 154959, 227433, 253241, 530677, 759723, 1592031, 1772687, 5318061, 11902327, 35706981, 83316289, 249948867]

約数ペア:

[(1, 249948867), (3, 83316289), (7, 35706981), (21, 11902327), (47, 5318061), (141, 1772687), (157, 1592031), (329, 759723), (471, 530677), (987, 253241), (1099, 227433), (1613, 154959), (3297, 75811), (4839, 51653), (7379, 33873), (11291, 22137)]