28717425

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 57683808

約数和(自身を除く): 28966383

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 41, 45, 55, 75, 99, 123, 165, 205, 225, 275, 283, 369, 451, 495, 615, 825, 849, 1025, 1353, 1415, 1845, 2255, 2475, 2547, 3075, 3113, 4059, 4245, 6765, 7075, 9225, 9339, 11275, 11603, 12735, 15565, 20295, 21225, 28017, 33825, 34809, 46695, 58015, 63675, 77825, 101475, 104427, 127633, 140085, 174045, 233475, 290075, 382899, 522135, 638165, 700425, 870225, 1148697, 1914495, 2610675, 3190825, 5743485, 9572475, 28717425]

約数ペア:

[(1, 28717425), (3, 9572475), (5, 5743485), (9, 3190825), (11, 2610675), (15, 1914495), (25, 1148697), (33, 870225), (41, 700425), (45, 638165), (55, 522135), (75, 382899), (99, 290075), (123, 233475), (165, 174045), (205, 140085), (225, 127633), (275, 104427), (283, 101475), (369, 77825), (451, 63675), (495, 58015), (615, 46695), (825, 34809), (849, 33825), (1025, 28017), (1353, 21225), (1415, 20295), (1845, 15565), (2255, 12735), (2475, 11603), (2547, 11275), (3075, 9339), (3113, 9225), (4059, 7075), (4245, 6765)]