28296585

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{787}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 53104896

約数和(自身を除く): 24808311

約数列:

[1, 3, 5, 9, 15, 17, 45, 47, 51, 85, 141, 153, 235, 255, 423, 705, 765, 787, 799, 2115, 2361, 2397, 3935, 3995, 7083, 7191, 11805, 11985, 13379, 35415, 35955, 36989, 40137, 66895, 110967, 120411, 184945, 200685, 332901, 554835, 602055, 628813, 1664505, 1886439, 3144065, 5659317, 9432195, 28296585]

約数ペア:

[(1, 28296585), (3, 9432195), (5, 5659317), (9, 3144065), (15, 1886439), (17, 1664505), (45, 628813), (47, 602055), (51, 554835), (85, 332901), (141, 200685), (153, 184945), (235, 120411), (255, 110967), (423, 66895), (705, 40137), (765, 36989), (787, 35955), (799, 35415), (2115, 13379), (2361, 11985), (2397, 11805), (3935, 7191), (3995, 7083)]