12290745

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 21022848

約数和(自身を除く): 8732103

約数列:

[1, 3, 5, 15, 17, 51, 85, 157, 255, 307, 471, 785, 921, 1535, 2355, 2669, 4605, 5219, 8007, 13345, 15657, 26095, 40035, 48199, 78285, 144597, 240995, 722985, 819383, 2458149, 4096915, 12290745]

約数ペア:

[(1, 12290745), (3, 4096915), (5, 2458149), (15, 819383), (17, 722985), (51, 240995), (85, 144597), (157, 78285), (255, 48199), (307, 40035), (471, 26095), (785, 15657), (921, 13345), (1535, 8007), (2355, 5219), (2669, 4605)]