3120237

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:353

約数の個数: 24

約数和(自身を含む): 4829760

約数和(自身を除く): 1709523

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 257, 639, 771, 1349, 2313, 4047, 4883, 12141, 14649, 18247, 43947, 54741, 164223, 346693, 1040079, 3120237]

約数ペア:

[(1, 3120237), (3, 1040079), (9, 346693), (19, 164223), (57, 54741), (71, 43947), (171, 18247), (213, 14649), (257, 12141), (639, 4883), (771, 4047), (1349, 2313)]