30887901

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{16421}}^1$

素因数の和:16457

約数の個数: 24

約数和(自身を含む): 51236640

約数和(自身を除く): 20348739

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 16421, 49263, 147789, 180631, 311999, 541893, 935997, 1625679, 2807991, 3431989, 10295967, 30887901]

約数ペア:

[(1, 30887901), (3, 10295967), (9, 3431989), (11, 2807991), (19, 1625679), (33, 935997), (57, 541893), (99, 311999), (171, 180631), (209, 147789), (627, 49263), (1881, 16421)]