51297855

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{983}}^1$

素因数の和:1076

約数の個数: 48

約数和(自身を含む): 96920064

約数和(自身を除く): 45622209

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 71, 105, 147, 213, 245, 355, 497, 735, 983, 1065, 1491, 2485, 2949, 3479, 4915, 6881, 7455, 10437, 14745, 17395, 20643, 34405, 48167, 52185, 69793, 103215, 144501, 209379, 240835, 348965, 488551, 722505, 1046895, 1465653, 2442755, 3419857, 7328265, 10259571, 17099285, 51297855]

約数ペア:

[(1, 51297855), (3, 17099285), (5, 10259571), (7, 7328265), (15, 3419857), (21, 2442755), (35, 1465653), (49, 1046895), (71, 722505), (105, 488551), (147, 348965), (213, 240835), (245, 209379), (355, 144501), (497, 103215), (735, 69793), (983, 52185), (1065, 48167), (1491, 34405), (2485, 20643), (2949, 17395), (3479, 14745), (4915, 10437), (6881, 7455)]