31938699

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{719}}^1$

素因数の和:819

約数の個数: 32

約数和(自身を含む): 49351680

約数和(自身を除く): 17412981

約数列:

[1, 3, 13, 17, 39, 51, 67, 201, 221, 663, 719, 871, 1139, 2157, 2613, 3417, 9347, 12223, 14807, 28041, 36669, 44421, 48173, 144519, 158899, 476697, 626249, 818941, 1878747, 2456823, 10646233, 31938699]

約数ペア:

[(1, 31938699), (3, 10646233), (13, 2456823), (17, 1878747), (39, 818941), (51, 626249), (67, 476697), (201, 158899), (221, 144519), (663, 48173), (719, 44421), (871, 36669), (1139, 28041), (2157, 14807), (2613, 12223), (3417, 9347)]