218971935

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7639}}^1$

素因数の和:7677

約数の個数: 72

約数和(自身を含む): 475544160

約数和(自身を除く): 256572225

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 49, 63, 65, 91, 105, 117, 147, 195, 245, 273, 315, 441, 455, 585, 637, 735, 819, 1365, 1911, 2205, 3185, 4095, 5733, 7639, 9555, 22917, 28665, 38195, 53473, 68751, 99307, 114585, 160419, 267365, 297921, 343755, 374311, 481257, 496535, 695149, 802095, 893763, 1122933, 1489605, 1871555, 2085447, 2406285, 3368799, 3475745, 4468815, 4866043, 5614665, 6256341, 10427235, 14598129, 16843995, 24330215, 31281705, 43794387, 72990645, 218971935]

約数ペア:

[(1, 218971935), (3, 72990645), (5, 43794387), (7, 31281705), (9, 24330215), (13, 16843995), (15, 14598129), (21, 10427235), (35, 6256341), (39, 5614665), (45, 4866043), (49, 4468815), (63, 3475745), (65, 3368799), (91, 2406285), (105, 2085447), (117, 1871555), (147, 1489605), (195, 1122933), (245, 893763), (273, 802095), (315, 695149), (441, 496535), (455, 481257), (585, 374311), (637, 343755), (735, 297921), (819, 267365), (1365, 160419), (1911, 114585), (2205, 99307), (3185, 68751), (4095, 53473), (5733, 38195), (7639, 28665), (9555, 22917)]