28105875

素因数分解:

$3^2\times 5^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:154

約数の個数: 96

約数和(自身を含む): 59963904

約数和(自身を除く): 31858029

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 43, 45, 63, 75, 83, 105, 125, 129, 175, 215, 225, 249, 301, 315, 375, 387, 415, 525, 581, 645, 747, 875, 903, 1075, 1125, 1245, 1505, 1575, 1743, 1935, 2075, 2625, 2709, 2905, 3225, 3569, 3735, 4515, 5229, 5375, 6225, 7525, 7875, 8715, 9675, 10375, 10707, 13545, 14525, 16125, 17845, 18675, 22575, 24983, 26145, 31125, 32121, 37625, 43575, 48375, 53535, 67725, 72625, 74949, 89225, 93375, 112875, 124915, 130725, 160605, 217875, 224847, 267675, 338625, 374745, 446125, 624575, 653625, 803025, 1124235, 1338375, 1873725, 3122875, 4015125, 5621175, 9368625, 28105875]

約数ペア:

[(1, 28105875), (3, 9368625), (5, 5621175), (7, 4015125), (9, 3122875), (15, 1873725), (21, 1338375), (25, 1124235), (35, 803025), (43, 653625), (45, 624575), (63, 446125), (75, 374745), (83, 338625), (105, 267675), (125, 224847), (129, 217875), (175, 160605), (215, 130725), (225, 124915), (249, 112875), (301, 93375), (315, 89225), (375, 74949), (387, 72625), (415, 67725), (525, 53535), (581, 48375), (645, 43575), (747, 37625), (875, 32121), (903, 31125), (1075, 26145), (1125, 24983), (1245, 22575), (1505, 18675), (1575, 17845), (1743, 16125), (1935, 14525), (2075, 13545), (2625, 10707), (2709, 10375), (2905, 9675), (3225, 8715), (3569, 7875), (3735, 7525), (4515, 6225), (5229, 5375)]