143213785

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 206458560

約数和(自身を除く): 63244775

約数列:

[1, 5, 11, 13, 55, 65, 121, 131, 139, 143, 605, 655, 695, 715, 1441, 1529, 1573, 1703, 1807, 7205, 7645, 7865, 8515, 9035, 15851, 16819, 18209, 18733, 19877, 79255, 84095, 91045, 93665, 99385, 200299, 206063, 218647, 236717, 1001495, 1030315, 1093235, 1183585, 2203289, 2603887, 11016445, 13019435, 28642757, 143213785]

約数ペア:

[(1, 143213785), (5, 28642757), (11, 13019435), (13, 11016445), (55, 2603887), (65, 2203289), (121, 1183585), (131, 1093235), (139, 1030315), (143, 1001495), (605, 236717), (655, 218647), (695, 206063), (715, 200299), (1441, 99385), (1529, 93665), (1573, 91045), (1703, 84095), (1807, 79255), (7205, 19877), (7645, 18733), (7865, 18209), (8515, 16819), (9035, 15851)]