68715645

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{3361}}^1$

素因数の和:3445

約数の個数: 32

約数和(自身を含む): 116190720

約数和(自身を除く): 47475075

約数列:

[1, 3, 5, 15, 29, 47, 87, 141, 145, 235, 435, 705, 1363, 3361, 4089, 6815, 10083, 16805, 20445, 50415, 97469, 157967, 292407, 473901, 487345, 789835, 1462035, 2369505, 4581043, 13743129, 22905215, 68715645]

約数ペア:

[(1, 68715645), (3, 22905215), (5, 13743129), (15, 4581043), (29, 2369505), (47, 1462035), (87, 789835), (141, 487345), (145, 473901), (235, 292407), (435, 157967), (705, 97469), (1363, 50415), (3361, 20445), (4089, 16805), (6815, 10083)]