20250315

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 37672128

約数和(自身を除く): 17421813

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 103, 153, 255, 257, 309, 515, 765, 771, 927, 1285, 1545, 1751, 2313, 3855, 4369, 4635, 5253, 8755, 11565, 13107, 15759, 21845, 26265, 26471, 39321, 65535, 78795, 79413, 132355, 196605, 238239, 397065, 450007, 1191195, 1350021, 2250035, 4050063, 6750105, 20250315]

約数ペア:

[(1, 20250315), (3, 6750105), (5, 4050063), (9, 2250035), (15, 1350021), (17, 1191195), (45, 450007), (51, 397065), (85, 238239), (103, 196605), (153, 132355), (255, 79413), (257, 78795), (309, 65535), (515, 39321), (765, 26471), (771, 26265), (927, 21845), (1285, 15759), (1545, 13107), (1751, 11565), (2313, 8755), (3855, 5253), (4369, 4635)]