2821000335

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 4696012800

約数和(自身を除く): 1875012465

約数列:

[1, 3, 5, 15, 59, 79, 157, 177, 237, 257, 295, 395, 471, 771, 785, 885, 1185, 1285, 2355, 3855, 4661, 9263, 12403, 13983, 15163, 20303, 23305, 27789, 37209, 40349, 45489, 46315, 60909, 62015, 69915, 75815, 101515, 121047, 138945, 186045, 201745, 227445, 304545, 605235, 731777, 1197877, 2195331, 2380591, 3187571, 3593631, 3658885, 5989385, 7141773, 9562713, 10976655, 11902955, 15937855, 17968155, 35708865, 47813565, 188066689, 564200067, 940333445, 2821000335]

約数ペア:

[(1, 2821000335), (3, 940333445), (5, 564200067), (15, 188066689), (59, 47813565), (79, 35708865), (157, 17968155), (177, 15937855), (237, 11902955), (257, 10976655), (295, 9562713), (395, 7141773), (471, 5989385), (771, 3658885), (785, 3593631), (885, 3187571), (1185, 2380591), (1285, 2195331), (2355, 1197877), (3855, 731777), (4661, 605235), (9263, 304545), (12403, 227445), (13983, 201745), (15163, 186045), (20303, 138945), (23305, 121047), (27789, 101515), (37209, 75815), (40349, 69915), (45489, 62015), (46315, 60909)]