128971809

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{3527}}^1$

素因数の和:3789

約数の個数: 24

約数和(自身を含む): 198132480

約数和(自身を除く): 69160671

約数列:

[1, 3, 9, 17, 51, 153, 239, 717, 2151, 3527, 4063, 10581, 12189, 31743, 36567, 59959, 179877, 539631, 842953, 2528859, 7586577, 14330201, 42990603, 128971809]

約数ペア:

[(1, 128971809), (3, 42990603), (9, 14330201), (17, 7586577), (51, 2528859), (153, 842953), (239, 539631), (717, 179877), (2151, 59959), (3527, 36567), (4063, 31743), (10581, 12189)]