18058215

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 34145280

約数和(自身を除く): 16087065

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 79, 105, 147, 237, 245, 311, 395, 553, 735, 933, 1185, 1555, 1659, 2177, 2765, 3871, 4665, 6531, 8295, 10885, 11613, 15239, 19355, 24569, 32655, 45717, 58065, 73707, 76195, 122845, 171983, 228585, 368535, 515949, 859915, 1203881, 2579745, 3611643, 6019405, 18058215]

約数ペア:

[(1, 18058215), (3, 6019405), (5, 3611643), (7, 2579745), (15, 1203881), (21, 859915), (35, 515949), (49, 368535), (79, 228585), (105, 171983), (147, 122845), (237, 76195), (245, 73707), (311, 58065), (395, 45717), (553, 32655), (735, 24569), (933, 19355), (1185, 15239), (1555, 11613), (1659, 10885), (2177, 8295), (2765, 6531), (3871, 4665)]