15990711

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 24330240

約数和(自身を除く): 8339529

約数列:

[1, 3, 11, 33, 43, 59, 129, 177, 191, 473, 573, 649, 1419, 1947, 2101, 2537, 6303, 7611, 8213, 11269, 24639, 27907, 33807, 83721, 90343, 123959, 271029, 371877, 484567, 1453701, 5330237, 15990711]

約数ペア:

[(1, 15990711), (3, 5330237), (11, 1453701), (33, 484567), (43, 371877), (59, 271029), (129, 123959), (177, 90343), (191, 83721), (473, 33807), (573, 27907), (649, 24639), (1419, 11269), (1947, 8213), (2101, 7611), (2537, 6303)]