2881515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2111}}^1$

素因数の和:2139

約数の個数: 32

約数和(自身を含む): 5677056

約数和(自身を除く): 2795541

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 2111, 6333, 10555, 14777, 27443, 31665, 44331, 73885, 82329, 137215, 192101, 221655, 411645, 576303, 960505, 2881515]

約数ペア:

[(1, 2881515), (3, 960505), (5, 576303), (7, 411645), (13, 221655), (15, 192101), (21, 137215), (35, 82329), (39, 73885), (65, 44331), (91, 31665), (105, 27443), (195, 14777), (273, 10555), (455, 6333), (1365, 2111)]