51738765

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 93768192

約数和(自身を除く): 42029427

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 71, 101, 111, 185, 195, 213, 303, 355, 481, 505, 555, 923, 1065, 1313, 1443, 1515, 2405, 2627, 2769, 3737, 3939, 4615, 6565, 7171, 7215, 7881, 11211, 13135, 13845, 18685, 19695, 21513, 34151, 35855, 39405, 48581, 56055, 93223, 102453, 107565, 145743, 170755, 242905, 265327, 279669, 466115, 512265, 728715, 795981, 1326635, 1398345, 3449251, 3979905, 10347753, 17246255, 51738765]

約数ペア:

[(1, 51738765), (3, 17246255), (5, 10347753), (13, 3979905), (15, 3449251), (37, 1398345), (39, 1326635), (65, 795981), (71, 728715), (101, 512265), (111, 466115), (185, 279669), (195, 265327), (213, 242905), (303, 170755), (355, 145743), (481, 107565), (505, 102453), (555, 93223), (923, 56055), (1065, 48581), (1313, 39405), (1443, 35855), (1515, 34151), (2405, 21513), (2627, 19695), (2769, 18685), (3737, 13845), (3939, 13135), (4615, 11211), (6565, 7881), (7171, 7215)]