15998853

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{409}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 24796800

約数和(自身を除く): 8797947

約数列:

[1, 3, 13, 17, 39, 51, 59, 177, 221, 409, 663, 767, 1003, 1227, 2301, 3009, 5317, 6953, 13039, 15951, 20859, 24131, 39117, 72393, 90389, 271167, 313703, 410227, 941109, 1230681, 5332951, 15998853]

約数ペア:

[(1, 15998853), (3, 5332951), (13, 1230681), (17, 941109), (39, 410227), (51, 313703), (59, 271167), (177, 90389), (221, 72393), (409, 39117), (663, 24131), (767, 20859), (1003, 15951), (1227, 13039), (2301, 6953), (3009, 5317)]