25268205

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{503}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 43110144

約数和(自身を除く): 17841939

約数列:

[1, 3, 5, 15, 17, 51, 85, 197, 255, 503, 591, 985, 1509, 2515, 2955, 3349, 7545, 8551, 10047, 16745, 25653, 42755, 50235, 99091, 128265, 297273, 495455, 1486365, 1684547, 5053641, 8422735, 25268205]

約数ペア:

[(1, 25268205), (3, 8422735), (5, 5053641), (15, 1684547), (17, 1486365), (51, 495455), (85, 297273), (197, 128265), (255, 99091), (503, 50235), (591, 42755), (985, 25653), (1509, 16745), (2515, 10047), (2955, 8551), (3349, 7545)]