16387839

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:301

約数の個数: 40

約数和(自身を含む): 26832960

約数和(自身を除く): 10445121

約数列:

[1, 3, 9, 13, 27, 39, 79, 81, 117, 197, 237, 351, 591, 711, 1027, 1053, 1773, 2133, 2561, 3081, 5319, 6399, 7683, 9243, 15563, 15957, 23049, 27729, 46689, 69147, 83187, 140067, 202319, 207441, 420201, 606957, 1260603, 1820871, 5462613, 16387839]

約数ペア:

[(1, 16387839), (3, 5462613), (9, 1820871), (13, 1260603), (27, 606957), (39, 420201), (79, 207441), (81, 202319), (117, 140067), (197, 83187), (237, 69147), (351, 46689), (591, 27729), (711, 23049), (1027, 15957), (1053, 15563), (1773, 9243), (2133, 7683), (2561, 6399), (3081, 5319)]