840315

素因数分解:

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

素因数の和:219

約数の個数: 32

約数和(自身を含む): 1575936

約数和(自身を除く): 735621

約数列:

[1, 3, 5, 7, 15, 21, 35, 53, 105, 151, 159, 265, 371, 453, 755, 795, 1057, 1113, 1855, 2265, 3171, 5285, 5565, 8003, 15855, 24009, 40015, 56021, 120045, 168063, 280105, 840315]

約数ペア:

[(1, 840315), (3, 280105), (5, 168063), (7, 120045), (15, 56021), (21, 40015), (35, 24009), (53, 15855), (105, 8003), (151, 5565), (159, 5285), (265, 3171), (371, 2265), (453, 1855), (755, 1113), (795, 1057)]