164010987

素因数分解:

$3^4\times 7^2\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:131

約数の個数: 90

約数和(自身を含む): 301343724

約数和(自身を除く): 137332737

約数列:

[1, 3, 7, 9, 21, 27, 31, 43, 49, 63, 81, 93, 129, 147, 189, 217, 279, 301, 387, 441, 567, 651, 837, 903, 961, 1161, 1323, 1333, 1519, 1953, 2107, 2511, 2709, 2883, 3483, 3969, 3999, 4557, 5859, 6321, 6727, 8127, 8649, 9331, 11997, 13671, 17577, 18963, 20181, 24381, 25947, 27993, 35991, 41013, 41323, 47089, 56889, 60543, 65317, 77841, 83979, 107973, 123039, 123969, 141267, 170667, 181629, 195951, 251937, 289261, 371907, 423801, 544887, 587853, 755811, 867783, 1115721, 1271403, 1763559, 2024827, 2603349, 3347163, 3814209, 5290677, 6074481, 7810047, 18223443, 23430141, 54670329, 164010987]

約数ペア:

[(1, 164010987), (3, 54670329), (7, 23430141), (9, 18223443), (21, 7810047), (27, 6074481), (31, 5290677), (43, 3814209), (49, 3347163), (63, 2603349), (81, 2024827), (93, 1763559), (129, 1271403), (147, 1115721), (189, 867783), (217, 755811), (279, 587853), (301, 544887), (387, 423801), (441, 371907), (567, 289261), (651, 251937), (837, 195951), (903, 181629), (961, 170667), (1161, 141267), (1323, 123969), (1333, 123039), (1519, 107973), (1953, 83979), (2107, 77841), (2511, 65317), (2709, 60543), (2883, 56889), (3483, 47089), (3969, 41323), (3999, 41013), (4557, 35991), (5859, 27993), (6321, 25947), (6727, 24381), (8127, 20181), (8649, 18963), (9331, 17577), (11997, 13671)]