68209071

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{21799}}^1$

素因数の和:21958

約数の個数: 16

約数和(自身を含む): 104640000

約数和(自身を除く): 36430929

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 21799, 65397, 152593, 457779, 3248051, 9744153, 22736357, 68209071]

約数ペア:

[(1, 68209071), (3, 22736357), (7, 9744153), (21, 3248051), (149, 457779), (447, 152593), (1043, 65397), (3129, 21799)]