1891155

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 3677184

約数和(自身を除く): 1786029

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 49, 83, 93, 105, 147, 155, 217, 245, 249, 415, 465, 581, 651, 735, 1085, 1245, 1519, 1743, 2573, 2905, 3255, 4067, 4557, 7595, 7719, 8715, 12201, 12865, 18011, 20335, 22785, 38595, 54033, 61005, 90055, 126077, 270165, 378231, 630385, 1891155]

約数ペア:

[(1, 1891155), (3, 630385), (5, 378231), (7, 270165), (15, 126077), (21, 90055), (31, 61005), (35, 54033), (49, 38595), (83, 22785), (93, 20335), (105, 18011), (147, 12865), (155, 12201), (217, 8715), (245, 7719), (249, 7595), (415, 4557), (465, 4067), (581, 3255), (651, 2905), (735, 2573), (1085, 1743), (1245, 1519)]