64636785

素因数分解:

$3^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 121858560

約数和(自身を除く): 57221775

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 243, 257, 345, 405, 621, 729, 771, 1035, 1215, 1285, 1863, 2187, 2313, 3105, 3645, 3855, 5589, 5911, 6939, 9315, 10935, 11565, 16767, 17733, 20817, 27945, 29555, 34695, 50301, 53199, 62451, 83835, 88665, 104085, 159597, 187353, 251505, 265995, 312255, 478791, 562059, 797985, 936765, 1436373, 2393955, 2810295, 4309119, 7181865, 12927357, 21545595, 64636785]

約数ペア:

[(1, 64636785), (3, 21545595), (5, 12927357), (9, 7181865), (15, 4309119), (23, 2810295), (27, 2393955), (45, 1436373), (69, 936765), (81, 797985), (115, 562059), (135, 478791), (207, 312255), (243, 265995), (257, 251505), (345, 187353), (405, 159597), (621, 104085), (729, 88665), (771, 83835), (1035, 62451), (1215, 53199), (1285, 50301), (1863, 34695), (2187, 29555), (2313, 27945), (3105, 20817), (3645, 17733), (3855, 16767), (5589, 11565), (5911, 10935), (6939, 9315)]