7921746

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1103}}^1$

素因数の和:1140

約数の個数: 64

約数和(自身を含む): 21196800

約数和(自身を除く): 13275054

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 114, 126, 133, 171, 189, 266, 342, 378, 399, 513, 798, 1026, 1103, 1197, 2206, 2394, 3309, 3591, 6618, 7182, 7721, 9927, 15442, 19854, 20957, 23163, 29781, 41914, 46326, 59562, 62871, 69489, 125742, 138978, 146699, 188613, 208467, 293398, 377226, 416934, 440097, 565839, 880194, 1131678, 1320291, 2640582, 3960873, 7921746]

約数ペア:

[(1, 7921746), (2, 3960873), (3, 2640582), (6, 1320291), (7, 1131678), (9, 880194), (14, 565839), (18, 440097), (19, 416934), (21, 377226), (27, 293398), (38, 208467), (42, 188613), (54, 146699), (57, 138978), (63, 125742), (114, 69489), (126, 62871), (133, 59562), (171, 46326), (189, 41914), (266, 29781), (342, 23163), (378, 20957), (399, 19854), (513, 15442), (798, 9927), (1026, 7721), (1103, 7182), (1197, 6618), (2206, 3591), (2394, 3309)]