25501275

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 49617360

約数和(自身を除く): 24116085

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 59, 75, 85, 113, 153, 177, 225, 255, 295, 339, 425, 531, 565, 765, 885, 1003, 1017, 1275, 1475, 1695, 1921, 2655, 2825, 3009, 3825, 4425, 5015, 5085, 5763, 6667, 8475, 9027, 9605, 13275, 15045, 17289, 20001, 25075, 25425, 28815, 33335, 45135, 48025, 60003, 75225, 86445, 100005, 113339, 144075, 166675, 225675, 300015, 340017, 432225, 500025, 566695, 1020051, 1500075, 1700085, 2833475, 5100255, 8500425, 25501275]

約数ペア:

[(1, 25501275), (3, 8500425), (5, 5100255), (9, 2833475), (15, 1700085), (17, 1500075), (25, 1020051), (45, 566695), (51, 500025), (59, 432225), (75, 340017), (85, 300015), (113, 225675), (153, 166675), (177, 144075), (225, 113339), (255, 100005), (295, 86445), (339, 75225), (425, 60003), (531, 48025), (565, 45135), (765, 33335), (885, 28815), (1003, 25425), (1017, 25075), (1275, 20001), (1475, 17289), (1695, 15045), (1921, 13275), (2655, 9605), (2825, 9027), (3009, 8475), (3825, 6667), (4425, 5763), (5015, 5085)]