201995445

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{2819}}^1$

素因数の和:3125

約数の個数: 32

約数和(自身を含む): 343543680

約数和(自身を除く): 141548235

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 281, 843, 1405, 2819, 4215, 4777, 8457, 14095, 14331, 23885, 42285, 47923, 71655, 143769, 239615, 718845, 792139, 2376417, 3960695, 11882085, 13466363, 40399089, 67331815, 201995445]

約数ペア:

[(1, 201995445), (3, 67331815), (5, 40399089), (15, 13466363), (17, 11882085), (51, 3960695), (85, 2376417), (255, 792139), (281, 718845), (843, 239615), (1405, 143769), (2819, 71655), (4215, 47923), (4777, 42285), (8457, 23885), (14095, 14331)]