217764339

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{293}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 355622400

約数和(自身を除く): 137858061

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 59, 177, 221, 247, 293, 323, 663, 741, 767, 879, 969, 1003, 1121, 2301, 3009, 3363, 3809, 4199, 4981, 5567, 11427, 12597, 13039, 14573, 14943, 16701, 17287, 19057, 39117, 43719, 51861, 57171, 64753, 72371, 94639, 194259, 217113, 224731, 247741, 283917, 293879, 328453, 674193, 743223, 881637, 985359, 1230307, 3690921, 3820427, 4269889, 5583701, 11461281, 12809667, 16751103, 72588113, 217764339]

約数ペア:

[(1, 217764339), (3, 72588113), (13, 16751103), (17, 12809667), (19, 11461281), (39, 5583701), (51, 4269889), (57, 3820427), (59, 3690921), (177, 1230307), (221, 985359), (247, 881637), (293, 743223), (323, 674193), (663, 328453), (741, 293879), (767, 283917), (879, 247741), (969, 224731), (1003, 217113), (1121, 194259), (2301, 94639), (3009, 72371), (3363, 64753), (3809, 57171), (4199, 51861), (4981, 43719), (5567, 39117), (11427, 19057), (12597, 17287), (13039, 16701), (14573, 14943)]