2776545

素因数分解:

$3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 5005440

約数和(自身を除く): 2228895

約数列:

[1, 3, 5, 9, 15, 27, 45, 131, 135, 157, 393, 471, 655, 785, 1179, 1413, 1965, 2355, 3537, 4239, 5895, 7065, 17685, 20567, 21195, 61701, 102835, 185103, 308505, 555309, 925515, 2776545]

約数ペア:

[(1, 2776545), (3, 925515), (5, 555309), (9, 308505), (15, 185103), (27, 102835), (45, 61701), (131, 21195), (135, 20567), (157, 17685), (393, 7065), (471, 5895), (655, 4239), (785, 3537), (1179, 2355), (1413, 1965)]