66211875

素因数分解:

$3^2\times 5^4\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:254

約数の個数: 60

約数和(自身を含む): 121836000

約数和(自身を除く): 55624125

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 79, 125, 149, 225, 237, 375, 395, 447, 625, 711, 745, 1125, 1185, 1341, 1875, 1975, 2235, 3555, 3725, 5625, 5925, 6705, 9875, 11175, 11771, 17775, 18625, 29625, 33525, 35313, 49375, 55875, 58855, 88875, 93125, 105939, 148125, 167625, 176565, 279375, 294275, 444375, 529695, 838125, 882825, 1471375, 2648475, 4414125, 7356875, 13242375, 22070625, 66211875]

約数ペア:

[(1, 66211875), (3, 22070625), (5, 13242375), (9, 7356875), (15, 4414125), (25, 2648475), (45, 1471375), (75, 882825), (79, 838125), (125, 529695), (149, 444375), (225, 294275), (237, 279375), (375, 176565), (395, 167625), (447, 148125), (625, 105939), (711, 93125), (745, 88875), (1125, 58855), (1185, 55875), (1341, 49375), (1875, 35313), (1975, 33525), (2235, 29625), (3555, 18625), (3725, 17775), (5625, 11771), (5925, 11175), (6705, 9875)]