1487101

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 24

約数和(自身を含む): 1969920

約数和(自身を除く): 482819

約数列:

[1, 7, 11, 31, 49, 77, 89, 217, 341, 539, 623, 979, 1519, 2387, 2759, 4361, 6853, 16709, 19313, 30349, 47971, 135191, 212443, 1487101]

約数ペア:

[(1, 1487101), (7, 212443), (11, 135191), (31, 47971), (49, 30349), (77, 19313), (89, 16709), (217, 6853), (341, 4361), (539, 2759), (623, 2387), (979, 1519)]