77890725

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{2861}}^1$

素因数の和:2899

約数の個数: 54

約数和(自身を含む): 153400338

約数和(自身を除く): 75509613

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 121, 165, 225, 275, 363, 495, 605, 825, 1089, 1815, 2475, 2861, 3025, 5445, 8583, 9075, 14305, 25749, 27225, 31471, 42915, 71525, 94413, 128745, 157355, 214575, 283239, 346181, 472065, 643725, 786775, 1038543, 1416195, 1730905, 2360325, 3115629, 5192715, 7080975, 8654525, 15578145, 25963575, 77890725]

約数ペア:

[(1, 77890725), (3, 25963575), (5, 15578145), (9, 8654525), (11, 7080975), (15, 5192715), (25, 3115629), (33, 2360325), (45, 1730905), (55, 1416195), (75, 1038543), (99, 786775), (121, 643725), (165, 472065), (225, 346181), (275, 283239), (363, 214575), (495, 157355), (605, 128745), (825, 94413), (1089, 71525), (1815, 42915), (2475, 31471), (2861, 27225), (3025, 25749), (5445, 14305), (8583, 9075)]