128959695

素因数分解:

$3^4\times 5^1\times {\mathrm{318419}}^1$

素因数の和:318436

約数の個数: 20

約数和(自身を含む): 231172920

約数和(自身を除く): 102213225

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 318419, 955257, 1592095, 2865771, 4776285, 8597313, 14328855, 25791939, 42986565, 128959695]

約数ペア:

[(1, 128959695), (3, 42986565), (5, 25791939), (9, 14328855), (15, 8597313), (27, 4776285), (45, 2865771), (81, 1592095), (135, 955257), (405, 318419)]