879494679

素因数分解:

$3^4\times 7^2\times {\mathrm{71}}^1\times {\mathrm{3121}}^1$

素因数の和:3218

約数の個数: 60

約数和(自身を含む): 1550335248

約数和(自身を除く): 670840569

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 71, 81, 147, 189, 213, 441, 497, 567, 639, 1323, 1491, 1917, 3121, 3479, 3969, 4473, 5751, 9363, 10437, 13419, 21847, 28089, 31311, 40257, 65541, 84267, 93933, 152929, 196623, 221591, 252801, 281799, 458787, 589869, 664773, 1376361, 1551137, 1769607, 1994319, 4129083, 4653411, 5982957, 10857959, 12387249, 13960233, 17948871, 32573877, 41880699, 97721631, 125642097, 293164893, 879494679]

約数ペア:

[(1, 879494679), (3, 293164893), (7, 125642097), (9, 97721631), (21, 41880699), (27, 32573877), (49, 17948871), (63, 13960233), (71, 12387249), (81, 10857959), (147, 5982957), (189, 4653411), (213, 4129083), (441, 1994319), (497, 1769607), (567, 1551137), (639, 1376361), (1323, 664773), (1491, 589869), (1917, 458787), (3121, 281799), (3479, 252801), (3969, 221591), (4473, 196623), (5751, 152929), (9363, 93933), (10437, 84267), (13419, 65541), (21847, 40257), (28089, 31311)]