77781171

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 121581824

約数和(自身を除く): 43800653

約数列:

[1, 3, 13, 17, 39, 51, 67, 103, 201, 221, 289, 309, 663, 867, 871, 1139, 1339, 1751, 2613, 3417, 3757, 4017, 5253, 6901, 11271, 14807, 19363, 20703, 22763, 29767, 44421, 58089, 68289, 89301, 89713, 117317, 251719, 269139, 351951, 386971, 755157, 1160913, 1525121, 1994389, 4575363, 5983167, 25927057, 77781171]

約数ペア:

[(1, 77781171), (3, 25927057), (13, 5983167), (17, 4575363), (39, 1994389), (51, 1525121), (67, 1160913), (103, 755157), (201, 386971), (221, 351951), (289, 269139), (309, 251719), (663, 117317), (867, 89713), (871, 89301), (1139, 68289), (1339, 58089), (1751, 44421), (2613, 29767), (3417, 22763), (3757, 20703), (4017, 19363), (5253, 14807), (6901, 11271)]