247291485

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{2143}}^1$

素因数の和:2322

約数の個数: 48

約数和(自身を含む): 463412736

約数和(自身を除く): 216121251

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 157, 245, 471, 735, 785, 1099, 2143, 2355, 3297, 5495, 6429, 7693, 10715, 15001, 16485, 23079, 32145, 38465, 45003, 75005, 105007, 115395, 225015, 315021, 336451, 525035, 1009353, 1575105, 1682255, 2355157, 5046765, 7065471, 11775785, 16486099, 35327355, 49458297, 82430495, 247291485]

約数ペア:

[(1, 247291485), (3, 82430495), (5, 49458297), (7, 35327355), (15, 16486099), (21, 11775785), (35, 7065471), (49, 5046765), (105, 2355157), (147, 1682255), (157, 1575105), (245, 1009353), (471, 525035), (735, 336451), (785, 315021), (1099, 225015), (2143, 115395), (2355, 105007), (3297, 75005), (5495, 45003), (6429, 38465), (7693, 32145), (10715, 23079), (15001, 16485)]