27972021

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{419}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 49512960

約数和(自身を除く): 21540939

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 289, 357, 419, 561, 867, 1257, 1309, 2023, 2933, 3179, 3927, 4609, 6069, 7123, 8799, 9537, 13827, 21369, 22253, 32263, 49861, 66759, 78353, 96789, 121091, 149583, 235059, 363273, 548471, 847637, 1332001, 1645413, 2542911, 3996003, 9324007, 27972021]

約数ペア:

[(1, 27972021), (3, 9324007), (7, 3996003), (11, 2542911), (17, 1645413), (21, 1332001), (33, 847637), (51, 548471), (77, 363273), (119, 235059), (187, 149583), (231, 121091), (289, 96789), (357, 78353), (419, 66759), (561, 49861), (867, 32263), (1257, 22253), (1309, 21369), (2023, 13827), (2933, 9537), (3179, 8799), (3927, 7123), (4609, 6069)]