28506525

素因数分解:

$3^1\times 5^2\times {\mathrm{373}}^1\times {\mathrm{1019}}^1$

素因数の和:1405

約数の個数: 24

約数和(自身を含む): 47303520

約数和(自身を除く): 18796995

約数列:

[1, 3, 5, 15, 25, 75, 373, 1019, 1119, 1865, 3057, 5095, 5595, 9325, 15285, 25475, 27975, 76425, 380087, 1140261, 1900435, 5701305, 9502175, 28506525]

約数ペア:

[(1, 28506525), (3, 9502175), (5, 5701305), (15, 1900435), (25, 1140261), (75, 380087), (373, 76425), (1019, 27975), (1119, 25475), (1865, 15285), (3057, 9325), (5095, 5595)]