42497217

素因数分解:

$3^4\times 7^1\times {\mathrm{241}}^1\times {\mathrm{311}}^1$

素因数の和:571

約数の個数: 40

約数和(自身を含む): 73087872

約数和(自身を除く): 30590655

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 241, 311, 567, 723, 933, 1687, 2169, 2177, 2799, 5061, 6507, 6531, 8397, 15183, 19521, 19593, 25191, 45549, 58779, 74951, 136647, 176337, 224853, 524657, 674559, 1573971, 2023677, 4721913, 6071031, 14165739, 42497217]

約数ペア:

[(1, 42497217), (3, 14165739), (7, 6071031), (9, 4721913), (21, 2023677), (27, 1573971), (63, 674559), (81, 524657), (189, 224853), (241, 176337), (311, 136647), (567, 74951), (723, 58779), (933, 45549), (1687, 25191), (2169, 19593), (2177, 19521), (2799, 15183), (5061, 8397), (6507, 6531)]