660293823

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{11969}}^1$

素因数の和:12087

約数の個数: 32

約数和(自身を含む): 1047997440

約数和(自身を除く): 387703617

約数列:

[1, 3, 7, 21, 37, 71, 111, 213, 259, 497, 777, 1491, 2627, 7881, 11969, 18389, 35907, 55167, 83783, 251349, 442853, 849799, 1328559, 2549397, 3099971, 5948593, 9299913, 17845779, 31442563, 94327689, 220097941, 660293823]

約数ペア:

[(1, 660293823), (3, 220097941), (7, 94327689), (21, 31442563), (37, 17845779), (71, 9299913), (111, 5948593), (213, 3099971), (259, 2549397), (497, 1328559), (777, 849799), (1491, 442853), (2627, 251349), (7881, 83783), (11969, 55167), (18389, 35907)]