71285865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 136581120

約数和(自身を除く): 65295255

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 59, 105, 111, 177, 185, 259, 295, 311, 413, 555, 777, 885, 933, 1239, 1295, 1555, 2065, 2177, 2183, 3885, 4665, 6195, 6531, 6549, 10885, 10915, 11507, 15281, 18349, 32655, 32745, 34521, 45843, 55047, 57535, 76405, 80549, 91745, 128443, 172605, 229215, 241647, 275235, 385329, 402745, 642215, 678913, 1208235, 1926645, 2036739, 3394565, 4752391, 10183695, 14257173, 23761955, 71285865]

約数ペア:

[(1, 71285865), (3, 23761955), (5, 14257173), (7, 10183695), (15, 4752391), (21, 3394565), (35, 2036739), (37, 1926645), (59, 1208235), (105, 678913), (111, 642215), (177, 402745), (185, 385329), (259, 275235), (295, 241647), (311, 229215), (413, 172605), (555, 128443), (777, 91745), (885, 80549), (933, 76405), (1239, 57535), (1295, 55047), (1555, 45843), (2065, 34521), (2177, 32745), (2183, 32655), (3885, 18349), (4665, 15281), (6195, 11507), (6531, 10915), (6549, 10885)]