31680585

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4993}}^1$

素因数の和:5054

約数の個数: 32

約数和(自身を含む): 57530880

約数和(自身を除く): 25850295

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 235, 423, 705, 1269, 2115, 4993, 6345, 14979, 24965, 44937, 74895, 134811, 224685, 234671, 674055, 704013, 1173355, 2112039, 3520065, 6336117, 10560195, 31680585]

約数ペア:

[(1, 31680585), (3, 10560195), (5, 6336117), (9, 3520065), (15, 2112039), (27, 1173355), (45, 704013), (47, 674055), (135, 234671), (141, 224685), (235, 134811), (423, 74895), (705, 44937), (1269, 24965), (2115, 14979), (4993, 6345)]