17906535

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 34099200

約数和(自身を除く): 16192665

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 73, 79, 115, 135, 207, 219, 237, 345, 365, 395, 621, 657, 711, 1035, 1095, 1185, 1679, 1817, 1971, 2133, 3105, 3285, 3555, 5037, 5451, 5767, 8395, 9085, 9855, 10665, 15111, 16353, 17301, 25185, 27255, 28835, 45333, 49059, 51903, 75555, 81765, 86505, 132641, 155709, 226665, 245295, 259515, 397923, 663205, 778545, 1193769, 1989615, 3581307, 5968845, 17906535]

約数ペア:

[(1, 17906535), (3, 5968845), (5, 3581307), (9, 1989615), (15, 1193769), (23, 778545), (27, 663205), (45, 397923), (69, 259515), (73, 245295), (79, 226665), (115, 155709), (135, 132641), (207, 86505), (219, 81765), (237, 75555), (345, 51903), (365, 49059), (395, 45333), (621, 28835), (657, 27255), (711, 25185), (1035, 17301), (1095, 16353), (1185, 15111), (1679, 10665), (1817, 9855), (1971, 9085), (2133, 8395), (3105, 5767), (3285, 5451), (3555, 5037)]