7181865

素因数分解:

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

素因数の和:300

約数の個数: 48

約数和(自身を含む): 13523328

約数和(自身を除く): 6341463

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 243, 257, 345, 405, 621, 771, 1035, 1215, 1285, 1863, 2313, 3105, 3855, 5589, 5911, 6939, 9315, 11565, 17733, 20817, 27945, 29555, 34695, 53199, 62451, 88665, 104085, 159597, 265995, 312255, 478791, 797985, 1436373, 2393955, 7181865]

約数ペア:

[(1, 7181865), (3, 2393955), (5, 1436373), (9, 797985), (15, 478791), (23, 312255), (27, 265995), (45, 159597), (69, 104085), (81, 88665), (115, 62451), (135, 53199), (207, 34695), (243, 29555), (257, 27945), (345, 20817), (405, 17733), (621, 11565), (771, 9315), (1035, 6939), (1215, 5911), (1285, 5589), (1863, 3855), (2313, 3105)]