28007595

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 62000640

約数和(自身を除く): 33993045

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 59, 63, 77, 99, 105, 137, 165, 177, 231, 295, 315, 385, 411, 413, 495, 531, 649, 685, 693, 885, 959, 1155, 1233, 1239, 1507, 1947, 2055, 2065, 2655, 2877, 3245, 3465, 3717, 4521, 4543, 4795, 5841, 6165, 6195, 7535, 8083, 8631, 9735, 10549, 13563, 13629, 14385, 18585, 22605, 22715, 24249, 29205, 31647, 40415, 40887, 43155, 52745, 56581, 67815, 68145, 72747, 88913, 94941, 121245, 158235, 169743, 204435, 266739, 282905, 363735, 444565, 474705, 509229, 622391, 800217, 848715, 1333695, 1867173, 2546145, 3111955, 4001085, 5601519, 9335865, 28007595]

約数ペア:

[(1, 28007595), (3, 9335865), (5, 5601519), (7, 4001085), (9, 3111955), (11, 2546145), (15, 1867173), (21, 1333695), (33, 848715), (35, 800217), (45, 622391), (55, 509229), (59, 474705), (63, 444565), (77, 363735), (99, 282905), (105, 266739), (137, 204435), (165, 169743), (177, 158235), (231, 121245), (295, 94941), (315, 88913), (385, 72747), (411, 68145), (413, 67815), (495, 56581), (531, 52745), (649, 43155), (685, 40887), (693, 40415), (885, 31647), (959, 29205), (1155, 24249), (1233, 22715), (1239, 22605), (1507, 18585), (1947, 14385), (2055, 13629), (2065, 13563), (2655, 10549), (2877, 9735), (3245, 8631), (3465, 8083), (3717, 7535), (4521, 6195), (4543, 6165), (4795, 5841)]