278843265

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{12569}}^1$

素因数の和:12626

約数の個数: 48

約数和(自身を含む): 529448400

約数和(自身を除く): 250605135

約数列:

[1, 3, 5, 9, 15, 17, 29, 45, 51, 85, 87, 145, 153, 255, 261, 435, 493, 765, 1305, 1479, 2465, 4437, 7395, 12569, 22185, 37707, 62845, 113121, 188535, 213673, 364501, 565605, 641019, 1068365, 1093503, 1822505, 1923057, 3205095, 3280509, 5467515, 6196517, 9615285, 16402545, 18589551, 30982585, 55768653, 92947755, 278843265]

約数ペア:

[(1, 278843265), (3, 92947755), (5, 55768653), (9, 30982585), (15, 18589551), (17, 16402545), (29, 9615285), (45, 6196517), (51, 5467515), (85, 3280509), (87, 3205095), (145, 1923057), (153, 1822505), (255, 1093503), (261, 1068365), (435, 641019), (493, 565605), (765, 364501), (1305, 213673), (1479, 188535), (2465, 113121), (4437, 62845), (7395, 37707), (12569, 22185)]