28702245

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13381}}^1$

素因数の和:13413

約数の個数: 32

約数和(自身を含む): 53956224

約数和(自身を除く): 25253979

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 13381, 40143, 66905, 147191, 173953, 200715, 441573, 521859, 735955, 869765, 1913483, 2207865, 2609295, 5740449, 9567415, 28702245]

約数ペア:

[(1, 28702245), (3, 9567415), (5, 5740449), (11, 2609295), (13, 2207865), (15, 1913483), (33, 869765), (39, 735955), (55, 521859), (65, 441573), (143, 200715), (165, 173953), (195, 147191), (429, 66905), (715, 40143), (2145, 13381)]