669901305

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1540003}}^1$

素因数の和:1540040

約数の個数: 16

約数和(自身を含む): 1108802880

約数和(自身を除く): 438901575

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 1540003, 4620009, 7700015, 23100045, 44660087, 133980261, 223300435, 669901305]

約数ペア:

[(1, 669901305), (3, 223300435), (5, 133980261), (15, 44660087), (29, 23100045), (87, 7700015), (145, 4620009), (435, 1540003)]