28586385

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 53625600

約数和(自身を除く): 25039215

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 59, 97, 111, 135, 177, 185, 291, 295, 333, 485, 531, 555, 873, 885, 999, 1455, 1593, 1665, 2183, 2619, 2655, 3589, 4365, 4995, 5723, 6549, 7965, 10767, 10915, 13095, 17169, 17945, 19647, 28615, 32301, 32745, 51507, 53835, 58941, 85845, 96903, 98235, 154521, 161505, 211751, 257535, 294705, 484515, 635253, 772605, 1058755, 1905759, 3176265, 5717277, 9528795, 28586385]

約数ペア:

[(1, 28586385), (3, 9528795), (5, 5717277), (9, 3176265), (15, 1905759), (27, 1058755), (37, 772605), (45, 635253), (59, 484515), (97, 294705), (111, 257535), (135, 211751), (177, 161505), (185, 154521), (291, 98235), (295, 96903), (333, 85845), (485, 58941), (531, 53835), (555, 51507), (873, 32745), (885, 32301), (999, 28615), (1455, 19647), (1593, 17945), (1665, 17169), (2183, 13095), (2619, 10915), (2655, 10767), (3589, 7965), (4365, 6549), (4995, 5723)]