15997425

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{12547}}^1$

素因数の和:12577

約数の個数: 24

約数和(自身を含む): 28007136

約数和(自身を除く): 12009711

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 12547, 37641, 62735, 188205, 213299, 313675, 639897, 941025, 1066495, 3199485, 5332475, 15997425]

約数ペア:

[(1, 15997425), (3, 5332475), (5, 3199485), (15, 1066495), (17, 941025), (25, 639897), (51, 313675), (75, 213299), (85, 188205), (255, 62735), (425, 37641), (1275, 12547)]