2520945

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 5121792

約数和(自身を除く): 2600847

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 53, 63, 105, 151, 159, 265, 315, 371, 453, 477, 755, 795, 1057, 1113, 1359, 1855, 2265, 2385, 3171, 3339, 5285, 5565, 6795, 8003, 9513, 15855, 16695, 24009, 40015, 47565, 56021, 72027, 120045, 168063, 280105, 360135, 504189, 840315, 2520945]

約数ペア:

[(1, 2520945), (3, 840315), (5, 504189), (7, 360135), (9, 280105), (15, 168063), (21, 120045), (35, 72027), (45, 56021), (53, 47565), (63, 40015), (105, 24009), (151, 16695), (159, 15855), (265, 9513), (315, 8003), (371, 6795), (453, 5565), (477, 5285), (755, 3339), (795, 3171), (1057, 2385), (1113, 2265), (1359, 1855)]