1316445

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 2335872

約数和(自身を除く): 1019427

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 157, 195, 215, 471, 559, 645, 785, 1677, 2041, 2355, 2795, 6123, 6751, 8385, 10205, 20253, 30615, 33755, 87763, 101265, 263289, 438815, 1316445]

約数ペア:

[(1, 1316445), (3, 438815), (5, 263289), (13, 101265), (15, 87763), (39, 33755), (43, 30615), (65, 20253), (129, 10205), (157, 8385), (195, 6751), (215, 6123), (471, 2795), (559, 2355), (645, 2041), (785, 1677)]