71209719

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{599}}^1$

素因数の和:669

約数の個数: 64

約数和(自身を含む): 131328000

約数和(自身を除く): 60118281

約数列:

[1, 3, 7, 9, 17, 21, 27, 37, 51, 63, 111, 119, 153, 189, 259, 333, 357, 459, 599, 629, 777, 999, 1071, 1797, 1887, 2331, 3213, 4193, 4403, 5391, 5661, 6993, 10183, 12579, 13209, 16173, 16983, 22163, 30549, 37737, 39627, 66489, 71281, 91647, 113211, 118881, 155141, 199467, 213843, 274941, 376771, 465423, 598401, 641529, 1130313, 1396269, 1924587, 2637397, 3390939, 4188807, 7912191, 10172817, 23736573, 71209719]

約数ペア:

[(1, 71209719), (3, 23736573), (7, 10172817), (9, 7912191), (17, 4188807), (21, 3390939), (27, 2637397), (37, 1924587), (51, 1396269), (63, 1130313), (111, 641529), (119, 598401), (153, 465423), (189, 376771), (259, 274941), (333, 213843), (357, 199467), (459, 155141), (599, 118881), (629, 113211), (777, 91647), (999, 71281), (1071, 66489), (1797, 39627), (1887, 37737), (2331, 30549), (3213, 22163), (4193, 16983), (4403, 16173), (5391, 13209), (5661, 12579), (6993, 10183)]