3205865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:129

約数の個数: 32

約数和(自身を含む): 4494336

約数和(自身を除く): 1288471

約数列:

[1, 5, 13, 31, 37, 43, 65, 155, 185, 215, 403, 481, 559, 1147, 1333, 1591, 2015, 2405, 2795, 5735, 6665, 7955, 14911, 17329, 20683, 49321, 74555, 86645, 103415, 246605, 641173, 3205865]

約数ペア:

[(1, 3205865), (5, 641173), (13, 246605), (31, 103415), (37, 86645), (43, 74555), (65, 49321), (155, 20683), (185, 17329), (215, 14911), (403, 7955), (481, 6665), (559, 5735), (1147, 2795), (1333, 2405), (1591, 2015)]