2018802285

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{70207}}^1$

素因数の和:70295

約数の個数: 40

約数和(自身を含む): 3669912576

約数和(自身を除く): 1651110291

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 355, 405, 639, 1065, 1917, 3195, 5751, 9585, 28755, 70207, 210621, 351035, 631863, 1053105, 1895589, 3159315, 4984697, 5686767, 9477945, 14954091, 24923485, 28433835, 44862273, 74770455, 134586819, 224311365, 403760457, 672934095, 2018802285]

約数ペア:

[(1, 2018802285), (3, 672934095), (5, 403760457), (9, 224311365), (15, 134586819), (27, 74770455), (45, 44862273), (71, 28433835), (81, 24923485), (135, 14954091), (213, 9477945), (355, 5686767), (405, 4984697), (639, 3159315), (1065, 1895589), (1917, 1053105), (3195, 631863), (5751, 351035), (9585, 210621), (28755, 70207)]