138188835

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20071}}^1$

素因数の和:20105

約数の個数: 40

約数和(自身を含む): 262300896

約数和(自身を除く): 124112061

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 20071, 60213, 100355, 180639, 301065, 341207, 541917, 903195, 1023621, 1625751, 1706035, 2709585, 3070863, 5118105, 8128755, 9212589, 15354315, 27637767, 46062945, 138188835]

約数ペア:

[(1, 138188835), (3, 46062945), (5, 27637767), (9, 15354315), (15, 9212589), (17, 8128755), (27, 5118105), (45, 3070863), (51, 2709585), (81, 1706035), (85, 1625751), (135, 1023621), (153, 903195), (255, 541917), (405, 341207), (459, 301065), (765, 180639), (1377, 100355), (2295, 60213), (6885, 20071)]