28221735

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 46791360

約数和(自身を除く): 18569625

約数列:

[1, 3, 5, 15, 41, 109, 123, 205, 327, 421, 545, 615, 1263, 1635, 2105, 4469, 6315, 13407, 17261, 22345, 45889, 51783, 67035, 86305, 137667, 229445, 258915, 688335, 1881449, 5644347, 9407245, 28221735]

約数ペア:

[(1, 28221735), (3, 9407245), (5, 5644347), (15, 1881449), (41, 688335), (109, 258915), (123, 229445), (205, 137667), (327, 86305), (421, 67035), (545, 51783), (615, 45889), (1263, 22345), (1635, 17261), (2105, 13407), (4469, 6315)]