201813795

素因数分解:

$3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:369

約数の個数: 64

約数和(自身を含む): 368640000

約数和(自身を除く): 166826205

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 127, 135, 149, 237, 381, 395, 447, 635, 711, 745, 1143, 1185, 1341, 1905, 2133, 2235, 3429, 3555, 4023, 5715, 6705, 10033, 10665, 11771, 17145, 18923, 20115, 30099, 35313, 50165, 56769, 58855, 90297, 94615, 105939, 150495, 170307, 176565, 270891, 283845, 317817, 451485, 510921, 529695, 851535, 1354455, 1494917, 1589085, 2554605, 4484751, 7474585, 13454253, 22423755, 40362759, 67271265, 201813795]

約数ペア:

[(1, 201813795), (3, 67271265), (5, 40362759), (9, 22423755), (15, 13454253), (27, 7474585), (45, 4484751), (79, 2554605), (127, 1589085), (135, 1494917), (149, 1354455), (237, 851535), (381, 529695), (395, 510921), (447, 451485), (635, 317817), (711, 283845), (745, 270891), (1143, 176565), (1185, 170307), (1341, 150495), (1905, 105939), (2133, 94615), (2235, 90297), (3429, 58855), (3555, 56769), (4023, 50165), (5715, 35313), (6705, 30099), (10033, 20115), (10665, 18923), (11771, 17145)]