81095245

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{30091}}^1$

素因数の和:30121

約数の個数: 24

約数和(自身を含む): 123497568

約数和(自身を除く): 42402323

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 30091, 150455, 210637, 331001, 1053185, 1474459, 1655005, 2317007, 7372295, 11585035, 16219049, 81095245]

約数ペア:

[(1, 81095245), (5, 16219049), (7, 11585035), (11, 7372295), (35, 2317007), (49, 1655005), (55, 1474459), (77, 1053185), (245, 331001), (385, 210637), (539, 150455), (2695, 30091)]