78885261

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1579}}^1$

素因数の和:1666

約数の個数: 48

約数和(自身を含む): 142629760

約数和(自身を除く): 63744499

約数列:

[1, 3, 7, 9, 13, 21, 39, 61, 63, 91, 117, 183, 273, 427, 549, 793, 819, 1281, 1579, 2379, 3843, 4737, 5551, 7137, 11053, 14211, 16653, 20527, 33159, 49959, 61581, 96319, 99477, 143689, 184743, 288957, 431067, 674233, 866871, 1252147, 1293201, 2022699, 3756441, 6068097, 8765029, 11269323, 26295087, 78885261]

約数ペア:

[(1, 78885261), (3, 26295087), (7, 11269323), (9, 8765029), (13, 6068097), (21, 3756441), (39, 2022699), (61, 1293201), (63, 1252147), (91, 866871), (117, 674233), (183, 431067), (273, 288957), (427, 184743), (549, 143689), (793, 99477), (819, 96319), (1281, 61581), (1579, 49959), (2379, 33159), (3843, 20527), (4737, 16653), (5551, 14211), (7137, 11053)]