201965895

素因数分解:

$3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{17881}}^1$

素因数の和:18143

約数の個数: 24

約数和(自身を含む): 351488592

約数和(自身を除く): 149522697

約数列:

[1, 3, 5, 9, 15, 45, 251, 753, 1255, 2259, 3765, 11295, 17881, 53643, 89405, 160929, 268215, 804645, 4488131, 13464393, 22440655, 40393179, 67321965, 201965895]

約数ペア:

[(1, 201965895), (3, 67321965), (5, 40393179), (9, 22440655), (15, 13464393), (45, 4488131), (251, 804645), (753, 268215), (1255, 160929), (2259, 89405), (3765, 53643), (11295, 17881)]