28297005

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{541}}^1$

素因数の和:877

約数の個数: 32

約数和(自身を含む): 49638528

約数和(自身を除く): 21341523

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 317, 541, 951, 1585, 1623, 2705, 3487, 4755, 5951, 8115, 10461, 17435, 17853, 29755, 52305, 89265, 171497, 514491, 857485, 1886467, 2572455, 5659401, 9432335, 28297005]

約数ペア:

[(1, 28297005), (3, 9432335), (5, 5659401), (11, 2572455), (15, 1886467), (33, 857485), (55, 514491), (165, 171497), (317, 89265), (541, 52305), (951, 29755), (1585, 17853), (1623, 17435), (2705, 10461), (3487, 8115), (4755, 5951)]