28721115

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5189}}^1$

素因数の和:5244

約数の個数: 32

約数和(自身を含む): 52315200

約数和(自身を除く): 23594085

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 123, 135, 205, 369, 615, 1107, 1845, 5189, 5535, 15567, 25945, 46701, 77835, 140103, 212749, 233505, 638247, 700515, 1063745, 1914741, 3191235, 5744223, 9573705, 28721115]

約数ペア:

[(1, 28721115), (3, 9573705), (5, 5744223), (9, 3191235), (15, 1914741), (27, 1063745), (41, 700515), (45, 638247), (123, 233505), (135, 212749), (205, 140103), (369, 77835), (615, 46701), (1107, 25945), (1845, 15567), (5189, 5535)]