25616025

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 50168664

約数和(自身を除く): 24552639

約数列:

[1, 3, 5, 9, 15, 17, 25, 37, 45, 51, 75, 85, 111, 153, 181, 185, 225, 255, 333, 425, 543, 555, 629, 765, 905, 925, 1275, 1629, 1665, 1887, 2715, 2775, 3077, 3145, 3825, 4525, 5661, 6697, 8145, 8325, 9231, 9435, 13575, 15385, 15725, 20091, 27693, 28305, 33485, 40725, 46155, 47175, 60273, 76925, 100455, 113849, 138465, 141525, 167425, 230775, 301365, 341547, 502275, 569245, 692325, 1024641, 1506825, 1707735, 2846225, 5123205, 8538675, 25616025]

約数ペア:

[(1, 25616025), (3, 8538675), (5, 5123205), (9, 2846225), (15, 1707735), (17, 1506825), (25, 1024641), (37, 692325), (45, 569245), (51, 502275), (75, 341547), (85, 301365), (111, 230775), (153, 167425), (181, 141525), (185, 138465), (225, 113849), (255, 100455), (333, 76925), (425, 60273), (543, 47175), (555, 46155), (629, 40725), (765, 33485), (905, 28305), (925, 27693), (1275, 20091), (1629, 15725), (1665, 15385), (1887, 13575), (2715, 9435), (2775, 9231), (3077, 8325), (3145, 8145), (3825, 6697), (4525, 5661)]