3878805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:126

約数の個数: 64

約数和(自身を含む): 7838208

約数和(自身を除く): 3959403

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 41, 51, 53, 85, 105, 119, 123, 159, 205, 255, 265, 287, 357, 371, 595, 615, 697, 795, 861, 901, 1113, 1435, 1785, 1855, 2091, 2173, 2703, 3485, 4305, 4505, 4879, 5565, 6307, 6519, 10455, 10865, 13515, 14637, 15211, 18921, 24395, 31535, 32595, 36941, 45633, 73185, 76055, 94605, 110823, 184705, 228165, 258587, 554115, 775761, 1292935, 3878805]

約数ペア:

[(1, 3878805), (3, 1292935), (5, 775761), (7, 554115), (15, 258587), (17, 228165), (21, 184705), (35, 110823), (41, 94605), (51, 76055), (53, 73185), (85, 45633), (105, 36941), (119, 32595), (123, 31535), (159, 24395), (205, 18921), (255, 15211), (265, 14637), (287, 13515), (357, 10865), (371, 10455), (595, 6519), (615, 6307), (697, 5565), (795, 4879), (861, 4505), (901, 4305), (1113, 3485), (1435, 2703), (1785, 2173), (1855, 2091)]