217156695

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{29129}}^1$

素因数の和:29215

約数の個数: 32

約数和(自身を含む): 402693120

約数和(自身を除く): 185536425

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 355, 497, 1065, 1491, 2485, 7455, 29129, 87387, 145645, 203903, 436935, 611709, 1019515, 2068159, 3058545, 6204477, 10340795, 14477113, 31022385, 43431339, 72385565, 217156695]

約数ペア:

[(1, 217156695), (3, 72385565), (5, 43431339), (7, 31022385), (15, 14477113), (21, 10340795), (35, 6204477), (71, 3058545), (105, 2068159), (213, 1019515), (355, 611709), (497, 436935), (1065, 203903), (1491, 145645), (2485, 87387), (7455, 29129)]