1305379155

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{137}}^1\times {\mathrm{661}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 2177196192

約数和(自身を除く): 871817037

約数列:

[1, 3, 5, 15, 31, 93, 137, 155, 411, 465, 661, 685, 961, 1983, 2055, 2883, 3305, 4247, 4805, 9915, 12741, 14415, 20491, 21235, 61473, 63705, 90557, 102455, 131657, 271671, 307365, 394971, 452785, 635221, 658285, 1358355, 1905663, 1974855, 2807267, 3176105, 8421801, 9528315, 14036335, 42109005, 87025277, 261075831, 435126385, 1305379155]

約数ペア:

[(1, 1305379155), (3, 435126385), (5, 261075831), (15, 87025277), (31, 42109005), (93, 14036335), (137, 9528315), (155, 8421801), (411, 3176105), (465, 2807267), (661, 1974855), (685, 1905663), (961, 1358355), (1983, 658285), (2055, 635221), (2883, 452785), (3305, 394971), (4247, 307365), (4805, 271671), (9915, 131657), (12741, 102455), (14415, 90557), (20491, 63705), (21235, 61473)]