15851943

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:209

約数の個数: 40

約数和(自身を含む): 25090560

約数和(自身を除く): 9238617

約数列:

[1, 3, 9, 27, 31, 59, 81, 93, 107, 177, 279, 321, 531, 837, 963, 1593, 1829, 2511, 2889, 3317, 4779, 5487, 6313, 8667, 9951, 16461, 18939, 29853, 49383, 56817, 89559, 148149, 170451, 195703, 268677, 511353, 587109, 1761327, 5283981, 15851943]

約数ペア:

[(1, 15851943), (3, 5283981), (9, 1761327), (27, 587109), (31, 511353), (59, 268677), (81, 195703), (93, 170451), (107, 148149), (177, 89559), (279, 56817), (321, 49383), (531, 29853), (837, 18939), (963, 16461), (1593, 9951), (1829, 8667), (2511, 6313), (2889, 5487), (3317, 4779)]