81799998

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1947619}}^1$

素因数の和:1947631

約数の個数: 16

約数和(自身を含む): 186971520

約数和(自身を除く): 105171522

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1947619, 3895238, 5842857, 11685714, 13633333, 27266666, 40899999, 81799998]

約数ペア:

[(1, 81799998), (2, 40899999), (3, 27266666), (6, 13633333), (7, 11685714), (14, 5842857), (21, 3895238), (42, 1947619)]