279103617

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21491}}^1$

素因数の和:21550

約数の個数: 32

約数和(自身を含む): 457349760

約数和(自身を除く): 178246143

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 999, 1443, 4329, 12987, 21491, 64473, 193419, 279383, 580257, 795167, 838149, 2385501, 2514447, 7156503, 7543341, 10337171, 21469509, 31011513, 93034539, 279103617]

約数ペア:

[(1, 279103617), (3, 93034539), (9, 31011513), (13, 21469509), (27, 10337171), (37, 7543341), (39, 7156503), (111, 2514447), (117, 2385501), (333, 838149), (351, 795167), (481, 580257), (999, 279383), (1443, 193419), (4329, 64473), (12987, 21491)]