9987705

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:308

約数の個数: 80

約数和(自身を含む): 22116864

約数和(自身を除く): 12129159

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 81, 91, 105, 117, 135, 189, 195, 271, 273, 315, 351, 405, 455, 567, 585, 813, 819, 945, 1053, 1355, 1365, 1755, 1897, 2439, 2457, 2835, 3523, 4065, 4095, 5265, 5691, 7317, 7371, 9485, 10569, 12195, 12285, 17073, 17615, 21951, 24661, 28455, 31707, 36585, 36855, 51219, 52845, 73983, 85365, 95121, 109755, 123305, 153657, 158535, 221949, 256095, 285363, 369915, 475605, 665847, 768285, 1109745, 1426815, 1997541, 3329235, 9987705]

約数ペア:

[(1, 9987705), (3, 3329235), (5, 1997541), (7, 1426815), (9, 1109745), (13, 768285), (15, 665847), (21, 475605), (27, 369915), (35, 285363), (39, 256095), (45, 221949), (63, 158535), (65, 153657), (81, 123305), (91, 109755), (105, 95121), (117, 85365), (135, 73983), (189, 52845), (195, 51219), (271, 36855), (273, 36585), (315, 31707), (351, 28455), (405, 24661), (455, 21951), (567, 17615), (585, 17073), (813, 12285), (819, 12195), (945, 10569), (1053, 9485), (1355, 7371), (1365, 7317), (1755, 5691), (1897, 5265), (2439, 4095), (2457, 4065), (2835, 3523)]