31688085

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:139

約数の個数: 96

約数和(自身を含む): 64350720

約数和(自身を除く): 32662635

約数列:

[1, 3, 5, 11, 13, 15, 17, 33, 39, 51, 55, 65, 79, 85, 121, 143, 165, 187, 195, 221, 237, 255, 363, 395, 429, 561, 605, 663, 715, 869, 935, 1027, 1105, 1185, 1343, 1573, 1815, 2057, 2145, 2431, 2607, 2805, 3081, 3315, 4029, 4345, 4719, 5135, 6171, 6715, 7293, 7865, 9559, 10285, 11297, 12155, 13035, 14773, 15405, 17459, 20145, 23595, 26741, 28677, 30855, 33891, 36465, 44319, 47795, 52377, 56485, 73865, 80223, 87295, 124267, 133705, 143385, 162503, 169455, 192049, 221595, 261885, 372801, 401115, 487509, 576147, 621335, 812515, 960245, 1864005, 2112539, 2437545, 2880735, 6337617, 10562695, 31688085]

約数ペア:

[(1, 31688085), (3, 10562695), (5, 6337617), (11, 2880735), (13, 2437545), (15, 2112539), (17, 1864005), (33, 960245), (39, 812515), (51, 621335), (55, 576147), (65, 487509), (79, 401115), (85, 372801), (121, 261885), (143, 221595), (165, 192049), (187, 169455), (195, 162503), (221, 143385), (237, 133705), (255, 124267), (363, 87295), (395, 80223), (429, 73865), (561, 56485), (605, 52377), (663, 47795), (715, 44319), (869, 36465), (935, 33891), (1027, 30855), (1105, 28677), (1185, 26741), (1343, 23595), (1573, 20145), (1815, 17459), (2057, 15405), (2145, 14773), (2431, 13035), (2607, 12155), (2805, 11297), (3081, 10285), (3315, 9559), (4029, 7865), (4345, 7293), (4719, 6715), (5135, 6171)]