87321717

素因数分解:

$3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{6569}}^1$

素因数の和:6793

約数の個数: 24

約数和(自身を含む): 144855360

約数和(自身を除く): 57533643

約数列:

[1, 3, 7, 9, 21, 63, 211, 633, 1477, 1899, 4431, 6569, 13293, 19707, 45983, 59121, 137949, 413847, 1386059, 4158177, 9702413, 12474531, 29107239, 87321717]

約数ペア:

[(1, 87321717), (3, 29107239), (7, 12474531), (9, 9702413), (21, 4158177), (63, 1386059), (211, 413847), (633, 137949), (1477, 59121), (1899, 45983), (4431, 19707), (6569, 13293)]