280806999

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 426961920

約数和(自身を除く): 146154921

約数列:

[1, 3, 11, 33, 47, 109, 121, 141, 151, 327, 363, 453, 517, 1199, 1551, 1661, 3597, 4983, 5123, 5687, 7097, 13189, 15369, 16459, 17061, 18271, 21291, 39567, 49377, 54813, 56353, 78067, 169059, 181049, 234201, 543147, 619883, 773573, 858737, 1859649, 1991539, 2320719, 2576211, 5974617, 8509303, 25527909, 93602333, 280806999]

約数ペア:

[(1, 280806999), (3, 93602333), (11, 25527909), (33, 8509303), (47, 5974617), (109, 2576211), (121, 2320719), (141, 1991539), (151, 1859649), (327, 858737), (363, 773573), (453, 619883), (517, 543147), (1199, 234201), (1551, 181049), (1661, 169059), (3597, 78067), (4983, 56353), (5123, 54813), (5687, 49377), (7097, 39567), (13189, 21291), (15369, 18271), (16459, 17061)]