31821265

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 45722880

約数和(自身を除く): 13901615

約数列:

[1, 5, 7, 29, 35, 107, 145, 203, 293, 535, 749, 1015, 1465, 2051, 3103, 3745, 8497, 10255, 15515, 21721, 31351, 42485, 59479, 108605, 156755, 219457, 297395, 909179, 1097285, 4545895, 6364253, 31821265]

約数ペア:

[(1, 31821265), (5, 6364253), (7, 4545895), (29, 1097285), (35, 909179), (107, 297395), (145, 219457), (203, 156755), (293, 108605), (535, 59479), (749, 42485), (1015, 31351), (1465, 21721), (2051, 15515), (3103, 10255), (3745, 8497)]