30717585

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{971}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 57620160

約数和(自身を除く): 26902575

約数列:

[1, 3, 5, 9, 15, 19, 37, 45, 57, 95, 111, 171, 185, 285, 333, 555, 703, 855, 971, 1665, 2109, 2913, 3515, 4855, 6327, 8739, 10545, 14565, 18449, 31635, 35927, 43695, 55347, 92245, 107781, 166041, 179635, 276735, 323343, 538905, 682613, 830205, 1616715, 2047839, 3413065, 6143517, 10239195, 30717585]

約数ペア:

[(1, 30717585), (3, 10239195), (5, 6143517), (9, 3413065), (15, 2047839), (19, 1616715), (37, 830205), (45, 682613), (57, 538905), (95, 323343), (111, 276735), (171, 179635), (185, 166041), (285, 107781), (333, 92245), (555, 55347), (703, 43695), (855, 35927), (971, 31635), (1665, 18449), (2109, 14565), (2913, 10545), (3515, 8739), (4855, 6327)]