71789895

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10427}}^1$

素因数の和:10461

約数の個数: 40

約数和(自身を含む): 136273104

約数和(自身を除く): 64483209

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 10427, 31281, 52135, 93843, 156405, 177259, 281529, 469215, 531777, 844587, 886295, 1407645, 1595331, 2658885, 4222935, 4785993, 7976655, 14357979, 23929965, 71789895]

約数ペア:

[(1, 71789895), (3, 23929965), (5, 14357979), (9, 7976655), (15, 4785993), (17, 4222935), (27, 2658885), (45, 1595331), (51, 1407645), (81, 886295), (85, 844587), (135, 531777), (153, 469215), (255, 281529), (405, 177259), (459, 156405), (765, 93843), (1377, 52135), (2295, 31281), (6885, 10427)]