11271981

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 18063360

約数和(自身を除く): 6791379

約数列:

[1, 3, 7, 21, 29, 83, 87, 203, 223, 249, 581, 609, 669, 1561, 1743, 2407, 4683, 6467, 7221, 16849, 18509, 19401, 45269, 50547, 55527, 129563, 135807, 388689, 536761, 1610283, 3757327, 11271981]

約数ペア:

[(1, 11271981), (3, 3757327), (7, 1610283), (21, 536761), (29, 388689), (83, 135807), (87, 129563), (203, 55527), (223, 50547), (249, 45269), (581, 19401), (609, 18509), (669, 16849), (1561, 7221), (1743, 6467), (2407, 4683)]