27191405

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 35804160

約数和(自身を除く): 8612755

約数列:

[1, 5, 23, 41, 73, 79, 115, 205, 365, 395, 943, 1679, 1817, 2993, 3239, 4715, 5767, 8395, 9085, 14965, 16195, 28835, 68839, 74497, 132641, 236447, 344195, 372485, 663205, 1182235, 5438281, 27191405]

約数ペア:

[(1, 27191405), (5, 5438281), (23, 1182235), (41, 663205), (73, 372485), (79, 344195), (115, 236447), (205, 132641), (365, 74497), (395, 68839), (943, 28835), (1679, 16195), (1817, 14965), (2993, 9085), (3239, 8395), (4715, 5767)]