25562475

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 49965552

約数和(自身を除く): 24403077

約数列:

[1, 3, 5, 9, 15, 17, 25, 41, 45, 51, 75, 85, 123, 153, 163, 205, 225, 255, 369, 425, 489, 615, 697, 765, 815, 1025, 1275, 1467, 1845, 2091, 2445, 2771, 3075, 3485, 3825, 4075, 6273, 6683, 7335, 8313, 9225, 10455, 12225, 13855, 17425, 20049, 24939, 31365, 33415, 36675, 41565, 52275, 60147, 69275, 100245, 113611, 124695, 156825, 167075, 207825, 300735, 340833, 501225, 568055, 623475, 1022499, 1503675, 1704165, 2840275, 5112495, 8520825, 25562475]

約数ペア:

[(1, 25562475), (3, 8520825), (5, 5112495), (9, 2840275), (15, 1704165), (17, 1503675), (25, 1022499), (41, 623475), (45, 568055), (51, 501225), (75, 340833), (85, 300735), (123, 207825), (153, 167075), (163, 156825), (205, 124695), (225, 113611), (255, 100245), (369, 69275), (425, 60147), (489, 52275), (615, 41565), (697, 36675), (765, 33415), (815, 31365), (1025, 24939), (1275, 20049), (1467, 17425), (1845, 13855), (2091, 12225), (2445, 10455), (2771, 9225), (3075, 8313), (3485, 7335), (3825, 6683), (4075, 6273)]