71918109

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 115914240

約数和(自身を除く): 43996131

約数列:

[1, 3, 9, 17, 31, 51, 59, 93, 153, 177, 257, 279, 527, 531, 771, 1003, 1581, 1829, 2313, 3009, 4369, 4743, 5487, 7967, 9027, 13107, 15163, 16461, 23901, 31093, 39321, 45489, 71703, 93279, 135439, 136467, 257771, 279837, 406317, 470053, 773313, 1218951, 1410159, 2319939, 4230477, 7990901, 23972703, 71918109]

約数ペア:

[(1, 71918109), (3, 23972703), (9, 7990901), (17, 4230477), (31, 2319939), (51, 1410159), (59, 1218951), (93, 773313), (153, 470053), (177, 406317), (257, 279837), (279, 257771), (527, 136467), (531, 135439), (771, 93279), (1003, 71703), (1581, 45489), (1829, 39321), (2313, 31093), (3009, 23901), (4369, 16461), (4743, 15163), (5487, 13107), (7967, 9027)]