2801799

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 5451264

約数和(自身を除く): 2649465

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 231, 273, 311, 429, 693, 819, 933, 1001, 1287, 2177, 2799, 3003, 3421, 4043, 6531, 9009, 10263, 12129, 19593, 23947, 28301, 30789, 36387, 44473, 71841, 84903, 133419, 215523, 254709, 311311, 400257, 933933, 2801799]

約数ペア:

[(1, 2801799), (3, 933933), (7, 400257), (9, 311311), (11, 254709), (13, 215523), (21, 133419), (33, 84903), (39, 71841), (63, 44473), (77, 36387), (91, 30789), (99, 28301), (117, 23947), (143, 19593), (231, 12129), (273, 10263), (311, 9009), (429, 6531), (693, 4043), (819, 3421), (933, 3003), (1001, 2799), (1287, 2177)]