207887985

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{90583}}^1$

素因数の和:90614

約数の個数: 32

約数和(自身を含む): 391322880

約数和(自身を除く): 183434895

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 90583, 271749, 452915, 815247, 1358745, 1539911, 2445741, 4076235, 4619733, 7699555, 12228705, 13859199, 23098665, 41577597, 69295995, 207887985]

約数ペア:

[(1, 207887985), (3, 69295995), (5, 41577597), (9, 23098665), (15, 13859199), (17, 12228705), (27, 7699555), (45, 4619733), (51, 4076235), (85, 2445741), (135, 1539911), (153, 1358745), (255, 815247), (459, 452915), (765, 271749), (2295, 90583)]