217620045

素因数分解:

$3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{25057}}^1$

素因数の和:25261

約数の個数: 24

約数和(自身を含む): 379177656

約数和(自身を除く): 161557611

約数列:

[1, 3, 5, 9, 15, 45, 193, 579, 965, 1737, 2895, 8685, 25057, 75171, 125285, 225513, 375855, 1127565, 4836001, 14508003, 24180005, 43524009, 72540015, 217620045]

約数ペア:

[(1, 217620045), (3, 72540015), (5, 43524009), (9, 24180005), (15, 14508003), (45, 4836001), (193, 1127565), (579, 375855), (965, 225513), (1737, 125285), (2895, 75171), (8685, 25057)]