90671805

素因数分解:

$3^5\times 5^1\times 7^2\times {\mathrm{1523}}^1$

素因数の和:1557

約数の個数: 72

約数和(自身を含む): 189719712

約数和(自身を除く): 99047907

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 189, 243, 245, 315, 405, 441, 567, 735, 945, 1215, 1323, 1523, 1701, 2205, 2835, 3969, 4569, 6615, 7615, 8505, 10661, 11907, 13707, 19845, 22845, 31983, 41121, 53305, 59535, 68535, 74627, 95949, 123363, 159915, 205605, 223881, 287847, 370089, 373135, 479745, 616815, 671643, 863541, 1119405, 1439235, 1850445, 2014929, 2590623, 3358215, 4317705, 6044787, 10074645, 12953115, 18134361, 30223935, 90671805]

約数ペア:

[(1, 90671805), (3, 30223935), (5, 18134361), (7, 12953115), (9, 10074645), (15, 6044787), (21, 4317705), (27, 3358215), (35, 2590623), (45, 2014929), (49, 1850445), (63, 1439235), (81, 1119405), (105, 863541), (135, 671643), (147, 616815), (189, 479745), (243, 373135), (245, 370089), (315, 287847), (405, 223881), (441, 205605), (567, 159915), (735, 123363), (945, 95949), (1215, 74627), (1323, 68535), (1523, 59535), (1701, 53305), (2205, 41121), (2835, 31983), (3969, 22845), (4569, 19845), (6615, 13707), (7615, 11907), (8505, 10661)]