31207177521

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{2081}}^1\times {\mathrm{128173}}^1$

素因数の和:130273

約数の個数: 24

約数和(自身を含む): 48568204776

約数和(自身を除く): 17361027255

約数列:

[1, 3, 9, 13, 39, 117, 2081, 6243, 18729, 27053, 81159, 128173, 243477, 384519, 1153557, 1666249, 4998747, 14996241, 266728013, 800184039, 2400552117, 3467464169, 10402392507, 31207177521]

約数ペア:

[(1, 31207177521), (3, 10402392507), (9, 3467464169), (13, 2400552117), (39, 800184039), (117, 266728013), (2081, 14996241), (6243, 4998747), (18729, 1666249), (27053, 1153557), (81159, 384519), (128173, 243477)]