768285

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{271}}^1$

素因数の和:295

約数の個数: 40

約数和(自身を含む): 1579776

約数和(自身を除く): 811491

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 271, 315, 405, 567, 813, 945, 1355, 1897, 2439, 2835, 4065, 5691, 7317, 9485, 12195, 17073, 21951, 28455, 36585, 51219, 85365, 109755, 153657, 256095, 768285]

約数ペア:

[(1, 768285), (3, 256095), (5, 153657), (7, 109755), (9, 85365), (15, 51219), (21, 36585), (27, 28455), (35, 21951), (45, 17073), (63, 12195), (81, 9485), (105, 7317), (135, 5691), (189, 4065), (271, 2835), (315, 2439), (405, 1897), (567, 1355), (813, 945)]