17961285

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 29836800

約数和(自身を除く): 11875515

約数列:

[1, 3, 5, 15, 47, 73, 141, 219, 235, 349, 365, 705, 1047, 1095, 1745, 3431, 5235, 10293, 16403, 17155, 25477, 49209, 51465, 76431, 82015, 127385, 246045, 382155, 1197419, 3592257, 5987095, 17961285]

約数ペア:

[(1, 17961285), (3, 5987095), (5, 3592257), (15, 1197419), (47, 382155), (73, 246045), (141, 127385), (219, 82015), (235, 76431), (349, 51465), (365, 49209), (705, 25477), (1047, 17155), (1095, 16403), (1745, 10293), (3431, 5235)]