13771615

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 20913984

約数和(自身を除く): 7142369

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 103, 121, 143, 187, 221, 515, 605, 715, 935, 1105, 1133, 1339, 1573, 1751, 2057, 2431, 5665, 6695, 7865, 8755, 10285, 12155, 12463, 14729, 19261, 22763, 26741, 62315, 73645, 96305, 113815, 133705, 162019, 211871, 250393, 810095, 1059355, 1251965, 2754323, 13771615]

約数ペア:

[(1, 13771615), (5, 2754323), (11, 1251965), (13, 1059355), (17, 810095), (55, 250393), (65, 211871), (85, 162019), (103, 133705), (121, 113815), (143, 96305), (187, 73645), (221, 62315), (515, 26741), (605, 22763), (715, 19261), (935, 14729), (1105, 12463), (1133, 12155), (1339, 10285), (1573, 8755), (1751, 7865), (2057, 6695), (2431, 5665)]