1813306467

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2\times {\mathrm{1657}}^1$

素因数の和:1780

約数の個数: 48

約数和(自身を含む): 2925295616

約数和(自身を除く): 1111989149

約数列:

[1, 3, 7, 21, 31, 41, 93, 123, 217, 287, 651, 861, 1271, 1657, 1681, 3813, 4971, 5043, 8897, 11599, 11767, 26691, 34797, 35301, 51367, 52111, 67937, 154101, 156333, 203811, 359569, 364777, 475559, 1078707, 1094331, 1426677, 2106047, 2785417, 6318141, 8356251, 14742329, 19497919, 44226987, 58493757, 86347927, 259043781, 604435489, 1813306467]

約数ペア:

[(1, 1813306467), (3, 604435489), (7, 259043781), (21, 86347927), (31, 58493757), (41, 44226987), (93, 19497919), (123, 14742329), (217, 8356251), (287, 6318141), (651, 2785417), (861, 2106047), (1271, 1426677), (1657, 1094331), (1681, 1078707), (3813, 475559), (4971, 364777), (5043, 359569), (8897, 203811), (11599, 156333), (11767, 154101), (26691, 67937), (34797, 52111), (35301, 51367)]