12805695

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{4517}}^1$

素因数の和:4541

約数の個数: 40

約数和(自身を含む): 26240544

約数和(自身を除く): 13434849

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 4517, 13551, 22585, 31619, 40653, 67755, 94857, 121959, 158095, 203265, 284571, 365877, 474285, 609795, 853713, 1422855, 1829385, 2561139, 4268565, 12805695]

約数ペア:

[(1, 12805695), (3, 4268565), (5, 2561139), (7, 1829385), (9, 1422855), (15, 853713), (21, 609795), (27, 474285), (35, 365877), (45, 284571), (63, 203265), (81, 158095), (105, 121959), (135, 94857), (189, 67755), (315, 40653), (405, 31619), (567, 22585), (945, 13551), (2835, 4517)]