28811475

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1663}}^1$

素因数の和:1697

約数の個数: 72

約数和(自身を含む): 64376832

約数和(自身を除く): 35565357

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 25, 33, 35, 45, 55, 63, 75, 77, 99, 105, 165, 175, 225, 231, 275, 315, 385, 495, 525, 693, 825, 1155, 1575, 1663, 1925, 2475, 3465, 4989, 5775, 8315, 11641, 14967, 17325, 18293, 24945, 34923, 41575, 54879, 58205, 74835, 91465, 104769, 124725, 128051, 164637, 174615, 274395, 291025, 374175, 384153, 457325, 523845, 640255, 823185, 873075, 1152459, 1371975, 1920765, 2619225, 3201275, 4115925, 5762295, 9603825, 28811475]

約数ペア:

[(1, 28811475), (3, 9603825), (5, 5762295), (7, 4115925), (9, 3201275), (11, 2619225), (15, 1920765), (21, 1371975), (25, 1152459), (33, 873075), (35, 823185), (45, 640255), (55, 523845), (63, 457325), (75, 384153), (77, 374175), (99, 291025), (105, 274395), (165, 174615), (175, 164637), (225, 128051), (231, 124725), (275, 104769), (315, 91465), (385, 74835), (495, 58205), (525, 54879), (693, 41575), (825, 34923), (1155, 24945), (1575, 18293), (1663, 17325), (1925, 14967), (2475, 11641), (3465, 8315), (4989, 5775)]