25259715

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:453

約数の個数: 64

約数和(自身を含む): 49795200

約数和(自身を除く): 24535485

約数列:

[1, 3, 5, 9, 13, 15, 27, 37, 39, 45, 65, 111, 117, 135, 185, 195, 333, 351, 389, 481, 555, 585, 999, 1167, 1443, 1665, 1755, 1945, 2405, 3501, 4329, 4995, 5057, 5835, 7215, 10503, 12987, 14393, 15171, 17505, 21645, 25285, 43179, 45513, 52515, 64935, 71965, 75855, 129537, 136539, 187109, 215895, 227565, 388611, 561327, 647685, 682695, 935545, 1683981, 1943055, 2806635, 5051943, 8419905, 25259715]

約数ペア:

[(1, 25259715), (3, 8419905), (5, 5051943), (9, 2806635), (13, 1943055), (15, 1683981), (27, 935545), (37, 682695), (39, 647685), (45, 561327), (65, 388611), (111, 227565), (117, 215895), (135, 187109), (185, 136539), (195, 129537), (333, 75855), (351, 71965), (389, 64935), (481, 52515), (555, 45513), (585, 43179), (999, 25285), (1167, 21645), (1443, 17505), (1665, 15171), (1755, 14393), (1945, 12987), (2405, 10503), (3501, 7215), (4329, 5835), (4995, 5057)]