209532285

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{81689}}^1$

素因数の和:81722

約数の個数: 32

約数和(自身を含む): 392112000

約数和(自身を除く): 182579715

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 81689, 245067, 408445, 735201, 1225335, 1552091, 2205603, 3676005, 4656273, 7760455, 11028015, 13968819, 23281365, 41906457, 69844095, 209532285]

約数ペア:

[(1, 209532285), (3, 69844095), (5, 41906457), (9, 23281365), (15, 13968819), (19, 11028015), (27, 7760455), (45, 4656273), (57, 3676005), (95, 2205603), (135, 1552091), (171, 1225335), (285, 735201), (513, 408445), (855, 245067), (2565, 81689)]