71564985

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31183}}^1$

素因数の和:31214

約数の個数: 32

約数和(自身を含む): 134714880

約数和(自身を除く): 63149895

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 31183, 93549, 155915, 280647, 467745, 530111, 841941, 1403235, 1590333, 2650555, 4209705, 4770999, 7951665, 14312997, 23854995, 71564985]

約数ペア:

[(1, 71564985), (3, 23854995), (5, 14312997), (9, 7951665), (15, 4770999), (17, 4209705), (27, 2650555), (45, 1590333), (51, 1403235), (85, 841941), (135, 530111), (153, 467745), (255, 280647), (459, 155915), (765, 93549), (2295, 31183)]