31776015

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 52056576

約数和(自身を除く): 20280561

約数列:

[1, 3, 5, 15, 103, 131, 157, 309, 393, 471, 515, 655, 785, 1545, 1965, 2355, 13493, 16171, 20567, 40479, 48513, 61701, 67465, 80855, 102835, 202395, 242565, 308505, 2118401, 6355203, 10592005, 31776015]

約数ペア:

[(1, 31776015), (3, 10592005), (5, 6355203), (15, 2118401), (103, 308505), (131, 242565), (157, 202395), (309, 102835), (393, 80855), (471, 67465), (515, 61701), (655, 48513), (785, 40479), (1545, 20567), (1965, 16171), (2355, 13493)]