28463811

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 41361408

約数和(自身を除く): 12897597

約数列:

[1, 3, 23, 47, 67, 69, 131, 141, 201, 393, 1081, 1541, 3013, 3149, 3243, 4623, 6157, 8777, 9039, 9447, 18471, 26331, 72427, 141611, 201871, 217281, 412519, 424833, 605613, 1237557, 9487937, 28463811]

約数ペア:

[(1, 28463811), (3, 9487937), (23, 1237557), (47, 605613), (67, 424833), (69, 412519), (131, 217281), (141, 201871), (201, 141611), (393, 72427), (1081, 26331), (1541, 18471), (3013, 9447), (3149, 9039), (3243, 8777), (4623, 6157)]