1821983895

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1\times {\mathrm{439}}^1$

素因数の和:957

約数の個数: 64

約数和(自身を含む): 3299788800

約数和(自身を除く): 1477804905

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 433, 439, 639, 1065, 1299, 1317, 1917, 2165, 2195, 3195, 3897, 3951, 6495, 6585, 9585, 11691, 11853, 19485, 19755, 30743, 31169, 58455, 59265, 92229, 93507, 153715, 155845, 190087, 276687, 280521, 461145, 467535, 570261, 830061, 841563, 950435, 1383435, 1402605, 1710783, 2851305, 4150305, 4207815, 5132349, 8553915, 13496177, 25661745, 40488531, 67480885, 121465593, 202442655, 364396779, 607327965, 1821983895]

約数ペア:

[(1, 1821983895), (3, 607327965), (5, 364396779), (9, 202442655), (15, 121465593), (27, 67480885), (45, 40488531), (71, 25661745), (135, 13496177), (213, 8553915), (355, 5132349), (433, 4207815), (439, 4150305), (639, 2851305), (1065, 1710783), (1299, 1402605), (1317, 1383435), (1917, 950435), (2165, 841563), (2195, 830061), (3195, 570261), (3897, 467535), (3951, 461145), (6495, 280521), (6585, 276687), (9585, 190087), (11691, 155845), (11853, 153715), (19485, 93507), (19755, 92229), (30743, 59265), (31169, 58455)]