12643215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2819}}^1$

素因数の和:2863

約数の個数: 32

約数和(自身を含む): 22740480

約数和(自身を除く): 10097265

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 2819, 4485, 8457, 14095, 36647, 42285, 64837, 109941, 183235, 194511, 324185, 549705, 842881, 972555, 2528643, 4214405, 12643215]

約数ペア:

[(1, 12643215), (3, 4214405), (5, 2528643), (13, 972555), (15, 842881), (23, 549705), (39, 324185), (65, 194511), (69, 183235), (115, 109941), (195, 64837), (299, 42285), (345, 36647), (897, 14095), (1495, 8457), (2819, 4485)]