664245

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{509}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 1193400

約数和(自身を除く): 529155

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 509, 1305, 1527, 2545, 4581, 7635, 14761, 22905, 44283, 73805, 132849, 221415, 664245]

約数ペア:

[(1, 664245), (3, 221415), (5, 132849), (9, 73805), (15, 44283), (29, 22905), (45, 14761), (87, 7635), (145, 4581), (261, 2545), (435, 1527), (509, 1305)]