16408959

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{641}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 26625024

約数和(自身を除く): 10216065

約数列:

[1, 3, 7, 21, 23, 53, 69, 159, 161, 371, 483, 641, 1113, 1219, 1923, 3657, 4487, 8533, 13461, 14743, 25599, 33973, 44229, 101919, 103201, 237811, 309603, 713433, 781379, 2344137, 5469653, 16408959]

約数ペア:

[(1, 16408959), (3, 5469653), (7, 2344137), (21, 781379), (23, 713433), (53, 309603), (69, 237811), (159, 103201), (161, 101919), (371, 44229), (483, 33973), (641, 25599), (1113, 14743), (1219, 13461), (1923, 8533), (3657, 4487)]