28328295

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{523}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 47688192

約数和(自身を除く): 19359897

約数列:

[1, 3, 5, 15, 23, 69, 115, 157, 345, 471, 523, 785, 1569, 2355, 2615, 3611, 7845, 10833, 12029, 18055, 36087, 54165, 60145, 82111, 180435, 246333, 410555, 1231665, 1888553, 5665659, 9442765, 28328295]

約数ペア:

[(1, 28328295), (3, 9442765), (5, 5665659), (15, 1888553), (23, 1231665), (69, 410555), (115, 246333), (157, 180435), (345, 82111), (471, 60145), (523, 54165), (785, 36087), (1569, 18055), (2355, 12029), (2615, 10833), (3611, 7845)]