67647475

素因数分解:

$5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{6337}}^1$

素因数の和:6415

約数の個数: 24

約数和(自身を含む): 97453088

約数和(自身を除く): 29805613

約数列:

[1, 5, 7, 25, 35, 61, 175, 305, 427, 1525, 2135, 6337, 10675, 31685, 44359, 158425, 221795, 386557, 1108975, 1932785, 2705899, 9663925, 13529495, 67647475]

約数ペア:

[(1, 67647475), (5, 13529495), (7, 9663925), (25, 2705899), (35, 1932785), (61, 1108975), (175, 386557), (305, 221795), (427, 158425), (1525, 44359), (2135, 31685), (6337, 10675)]