87521217

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{1049}}^1$

素因数の和:1225

約数の個数: 32

約数和(自身を含む): 139104000

約数和(自身を除く): 51582783

約数列:

[1, 3, 7, 21, 29, 87, 137, 203, 411, 609, 959, 1049, 2877, 3147, 3973, 7343, 11919, 22029, 27811, 30421, 83433, 91263, 143713, 212947, 431139, 638841, 1005991, 3017973, 4167677, 12503031, 29173739, 87521217]

約数ペア:

[(1, 87521217), (3, 29173739), (7, 12503031), (21, 4167677), (29, 3017973), (87, 1005991), (137, 638841), (203, 431139), (411, 212947), (609, 143713), (959, 91263), (1049, 83433), (2877, 30421), (3147, 27811), (3973, 22029), (7343, 11919)]