2157901587

素因数分解:

$3^3\times {\mathrm{263}}^1\times {\mathrm{409}}^1\times {\mathrm{743}}^1$

素因数の和:1424

約数の個数: 32

約数和(自身を含む): 3221222400

約数和(自身を除く): 1063320813

約数列:

[1, 3, 9, 27, 263, 409, 743, 789, 1227, 2229, 2367, 3681, 6687, 7101, 11043, 20061, 107567, 195409, 303887, 322701, 586227, 911661, 968103, 1758681, 2734983, 2904309, 5276043, 8204949, 79922281, 239766843, 719300529, 2157901587]

約数ペア:

[(1, 2157901587), (3, 719300529), (9, 239766843), (27, 79922281), (263, 8204949), (409, 5276043), (743, 2904309), (789, 2734983), (1227, 1758681), (2229, 968103), (2367, 911661), (3681, 586227), (6687, 322701), (7101, 303887), (11043, 195409), (20061, 107567)]