263669931

素因数分解:

$3^3\times 7^3\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 463104000

約数和(自身を除く): 199434069

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 71, 147, 189, 213, 343, 401, 441, 497, 639, 1029, 1203, 1323, 1491, 1917, 2807, 3087, 3479, 3609, 4473, 8421, 9261, 10437, 10827, 13419, 19649, 24353, 25263, 28471, 31311, 58947, 73059, 75789, 85413, 93933, 137543, 176841, 199297, 219177, 256239, 412629, 530523, 597891, 657531, 768717, 1237887, 1395079, 1793673, 3713661, 4185237, 5381019, 9765553, 12555711, 29296659, 37667133, 87889977, 263669931]

約数ペア:

[(1, 263669931), (3, 87889977), (7, 37667133), (9, 29296659), (21, 12555711), (27, 9765553), (49, 5381019), (63, 4185237), (71, 3713661), (147, 1793673), (189, 1395079), (213, 1237887), (343, 768717), (401, 657531), (441, 597891), (497, 530523), (639, 412629), (1029, 256239), (1203, 219177), (1323, 199297), (1491, 176841), (1917, 137543), (2807, 93933), (3087, 85413), (3479, 75789), (3609, 73059), (4473, 58947), (8421, 31311), (9261, 28471), (10437, 25263), (10827, 24353), (13419, 19649)]