25906725

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1$

素因数の和:567

約数の個数: 72

約数和(自身を含む): 53012232

約数和(自身を除く): 27105507

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 39, 45, 51, 65, 75, 85, 117, 153, 195, 221, 225, 255, 325, 425, 521, 585, 663, 765, 975, 1105, 1275, 1563, 1989, 2605, 2925, 3315, 3825, 4689, 5525, 6773, 7815, 8857, 9945, 13025, 16575, 20319, 23445, 26571, 33865, 39075, 44285, 49725, 60957, 79713, 101595, 115141, 117225, 132855, 169325, 221425, 304785, 345423, 398565, 507975, 575705, 664275, 1036269, 1523925, 1727115, 1992825, 2878525, 5181345, 8635575, 25906725]

約数ペア:

[(1, 25906725), (3, 8635575), (5, 5181345), (9, 2878525), (13, 1992825), (15, 1727115), (17, 1523925), (25, 1036269), (39, 664275), (45, 575705), (51, 507975), (65, 398565), (75, 345423), (85, 304785), (117, 221425), (153, 169325), (195, 132855), (221, 117225), (225, 115141), (255, 101595), (325, 79713), (425, 60957), (521, 49725), (585, 44285), (663, 39075), (765, 33865), (975, 26571), (1105, 23445), (1275, 20319), (1563, 16575), (1989, 13025), (2605, 9945), (2925, 8857), (3315, 7815), (3825, 6773), (4689, 5525)]