12972003

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1217}}^1$

素因数の和:1267

約数の個数: 32

約数和(自身を含む): 21047040

約数和(自身を除く): 8075037

約数列:

[1, 3, 11, 17, 19, 33, 51, 57, 187, 209, 323, 561, 627, 969, 1217, 3553, 3651, 10659, 13387, 20689, 23123, 40161, 62067, 69369, 227579, 254353, 393091, 682737, 763059, 1179273, 4324001, 12972003]

約数ペア:

[(1, 12972003), (3, 4324001), (11, 1179273), (17, 763059), (19, 682737), (33, 393091), (51, 254353), (57, 227579), (187, 69369), (209, 62067), (323, 40161), (561, 23123), (627, 20689), (969, 13387), (1217, 10659), (3553, 3651)]