51244515

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 105016320

約数和(自身を除く): 53771805

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 211, 257, 315, 633, 771, 945, 1055, 1285, 1477, 1799, 1899, 2313, 3165, 3855, 4431, 5397, 5697, 6939, 7385, 8995, 9495, 11565, 13293, 16191, 22155, 26985, 28485, 34695, 39879, 48573, 54227, 66465, 80955, 162681, 199395, 242865, 271135, 379589, 488043, 813405, 1138767, 1464129, 1897945, 2440215, 3416301, 5693835, 7320645, 10248903, 17081505, 51244515]

約数ペア:

[(1, 51244515), (3, 17081505), (5, 10248903), (7, 7320645), (9, 5693835), (15, 3416301), (21, 2440215), (27, 1897945), (35, 1464129), (45, 1138767), (63, 813405), (105, 488043), (135, 379589), (189, 271135), (211, 242865), (257, 199395), (315, 162681), (633, 80955), (771, 66465), (945, 54227), (1055, 48573), (1285, 39879), (1477, 34695), (1799, 28485), (1899, 26985), (2313, 22155), (3165, 16191), (3855, 13293), (4431, 11565), (5397, 9495), (5697, 8995), (6939, 7385)]