31100511

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{47}}^2$

素因数の和:148

約数の個数: 36

約数和(自身を含む): 48155352

約数和(自身を除く): 17054841

約数列:

[1, 3, 13, 19, 39, 47, 57, 141, 247, 361, 611, 741, 893, 1083, 1833, 2209, 2679, 4693, 6627, 11609, 14079, 16967, 28717, 34827, 41971, 50901, 86151, 125913, 220571, 545623, 661713, 797449, 1636869, 2392347, 10366837, 31100511]

約数ペア:

[(1, 31100511), (3, 10366837), (13, 2392347), (19, 1636869), (39, 797449), (47, 661713), (57, 545623), (141, 220571), (247, 125913), (361, 86151), (611, 50901), (741, 41971), (893, 34827), (1083, 28717), (1833, 16967), (2209, 14079), (2679, 11609), (4693, 6627)]