131848857

素因数分解:

$3^3\times 7^3\times {\mathrm{23}}^1\times {\mathrm{619}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 238080000

約数和(自身を除く): 106231143

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 147, 161, 189, 207, 343, 441, 483, 619, 621, 1029, 1127, 1323, 1449, 1857, 3087, 3381, 4333, 4347, 5571, 7889, 9261, 10143, 12999, 14237, 16713, 23667, 30331, 30429, 38997, 42711, 71001, 90993, 99659, 116991, 128133, 212317, 213003, 272979, 298977, 384399, 636951, 697613, 818937, 896931, 1910853, 2092839, 2690793, 4883291, 5732559, 6278517, 14649873, 18835551, 43949619, 131848857]

約数ペア:

[(1, 131848857), (3, 43949619), (7, 18835551), (9, 14649873), (21, 6278517), (23, 5732559), (27, 4883291), (49, 2690793), (63, 2092839), (69, 1910853), (147, 896931), (161, 818937), (189, 697613), (207, 636951), (343, 384399), (441, 298977), (483, 272979), (619, 213003), (621, 212317), (1029, 128133), (1127, 116991), (1323, 99659), (1449, 90993), (1857, 71001), (3087, 42711), (3381, 38997), (4333, 30429), (4347, 30331), (5571, 23667), (7889, 16713), (9261, 14237), (10143, 12999)]