66405555

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{9281}}^1$

素因数の和:9348

約数の個数: 32

約数和(自身を含む): 120294720

約数和(自身を除く): 53889165

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 135, 159, 265, 477, 795, 1431, 2385, 7155, 9281, 27843, 46405, 83529, 139215, 250587, 417645, 491893, 1252935, 1475679, 2459465, 4427037, 7378395, 13281111, 22135185, 66405555]

約数ペア:

[(1, 66405555), (3, 22135185), (5, 13281111), (9, 7378395), (15, 4427037), (27, 2459465), (45, 1475679), (53, 1252935), (135, 491893), (159, 417645), (265, 250587), (477, 139215), (795, 83529), (1431, 46405), (2385, 27843), (7155, 9281)]