3856815

素因数分解:

$3^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:213

約数の個数: 40

約数和(自身を含む): 7056720

約数和(自身を除く): 3199905

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 89, 107, 135, 267, 321, 405, 445, 535, 801, 963, 1335, 1605, 2403, 2889, 4005, 4815, 7209, 8667, 9523, 12015, 14445, 28569, 36045, 43335, 47615, 85707, 142845, 257121, 428535, 771363, 1285605, 3856815]

約数ペア:

[(1, 3856815), (3, 1285605), (5, 771363), (9, 428535), (15, 257121), (27, 142845), (45, 85707), (81, 47615), (89, 43335), (107, 36045), (135, 28569), (267, 14445), (321, 12015), (405, 9523), (445, 8667), (535, 7209), (801, 4815), (963, 4005), (1335, 2889), (1605, 2403)]