81342807

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1031}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 141937152

約数和(自身を除く): 60594345

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 289, 357, 663, 867, 1031, 1547, 2023, 3093, 3757, 4641, 6069, 7217, 11271, 13403, 17527, 21651, 26299, 40209, 52581, 78897, 93821, 122689, 227851, 281463, 297959, 368067, 683553, 893877, 1594957, 2085713, 3873467, 4784871, 6257139, 11620401, 27114269, 81342807]

約数ペア:

[(1, 81342807), (3, 27114269), (7, 11620401), (13, 6257139), (17, 4784871), (21, 3873467), (39, 2085713), (51, 1594957), (91, 893877), (119, 683553), (221, 368067), (273, 297959), (289, 281463), (357, 227851), (663, 122689), (867, 93821), (1031, 78897), (1547, 52581), (2023, 40209), (3093, 26299), (3757, 21651), (4641, 17527), (6069, 13403), (7217, 11271)]