856008447

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1\times {\mathrm{1499}}^1$

素因数の和:1963

約数の個数: 32

約数和(自身を含む): 1327104000

約数和(自身を除く): 471095553

約数列:

[1, 3, 7, 21, 71, 213, 383, 497, 1149, 1491, 1499, 2681, 4497, 8043, 10493, 27193, 31479, 81579, 106429, 190351, 319287, 571053, 574117, 745003, 1722351, 2235009, 4018819, 12056457, 40762307, 122286921, 285336149, 856008447]

約数ペア:

[(1, 856008447), (3, 285336149), (7, 122286921), (21, 40762307), (71, 12056457), (213, 4018819), (383, 2235009), (497, 1722351), (1149, 745003), (1491, 574117), (1499, 571053), (2681, 319287), (4497, 190351), (8043, 106429), (10493, 81579), (27193, 31479)]