12220215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{643}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 22503936

約数和(自身を除く): 10283721

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 181, 543, 643, 905, 1267, 1929, 2715, 3215, 3801, 4501, 6335, 9645, 13503, 19005, 22505, 67515, 116383, 349149, 581915, 814681, 1745745, 2444043, 4073405, 12220215]

約数ペア:

[(1, 12220215), (3, 4073405), (5, 2444043), (7, 1745745), (15, 814681), (21, 581915), (35, 349149), (105, 116383), (181, 67515), (543, 22505), (643, 19005), (905, 13503), (1267, 9645), (1929, 6335), (2715, 4501), (3215, 3801)]