15939455

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 24377760

約数和(自身を除く): 8438305

約数列:

[1, 5, 7, 17, 35, 43, 49, 85, 89, 119, 215, 245, 301, 445, 595, 623, 731, 833, 1505, 1513, 2107, 3115, 3655, 3827, 4165, 4361, 5117, 7565, 10535, 10591, 19135, 21805, 25585, 26789, 35819, 52955, 65059, 74137, 133945, 179095, 187523, 325295, 370685, 455413, 937615, 2277065, 3187891, 15939455]

約数ペア:

[(1, 15939455), (5, 3187891), (7, 2277065), (17, 937615), (35, 455413), (43, 370685), (49, 325295), (85, 187523), (89, 179095), (119, 133945), (215, 74137), (245, 65059), (301, 52955), (445, 35819), (595, 26789), (623, 25585), (731, 21805), (833, 19135), (1505, 10591), (1513, 10535), (2107, 7565), (3115, 5117), (3655, 4361), (3827, 4165)]