71849565

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31307}}^1$

素因数の和:31338

約数の個数: 32

約数和(自身を含む): 135250560

約数和(自身を除く): 63400995

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 31307, 93921, 156535, 281763, 469605, 532219, 845289, 1408815, 1596657, 2661095, 4226445, 4789971, 7983285, 14369913, 23949855, 71849565]

約数ペア:

[(1, 71849565), (3, 23949855), (5, 14369913), (9, 7983285), (15, 4789971), (17, 4226445), (27, 2661095), (45, 1596657), (51, 1408815), (85, 845289), (135, 532219), (153, 469605), (255, 281763), (459, 156535), (765, 93921), (2295, 31307)]