66510315

素因数分解:

$3^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:351

約数の個数: 56

約数和(自身を含む): 121821408

約数和(自身を除く): 55311093

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 243, 257, 355, 405, 639, 729, 771, 1065, 1215, 1285, 1917, 2313, 3195, 3645, 3855, 5751, 6939, 9585, 11565, 17253, 18247, 20817, 28755, 34695, 51759, 54741, 62451, 86265, 91235, 104085, 164223, 187353, 258795, 273705, 312255, 492669, 821115, 936765, 1478007, 2463345, 4434021, 7390035, 13302063, 22170105, 66510315]

約数ペア:

[(1, 66510315), (3, 22170105), (5, 13302063), (9, 7390035), (15, 4434021), (27, 2463345), (45, 1478007), (71, 936765), (81, 821115), (135, 492669), (213, 312255), (243, 273705), (257, 258795), (355, 187353), (405, 164223), (639, 104085), (729, 91235), (771, 86265), (1065, 62451), (1215, 54741), (1285, 51759), (1917, 34695), (2313, 28755), (3195, 20817), (3645, 18247), (3855, 17253), (5751, 11565), (6939, 9585)]