291279417

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 472614912

約数和(自身を除く): 181335495

約数列:

[1, 3, 11, 13, 33, 39, 71, 73, 131, 143, 213, 219, 393, 429, 781, 803, 923, 949, 1441, 1703, 2343, 2409, 2769, 2847, 4323, 5109, 5183, 9301, 9563, 10153, 10439, 15549, 18733, 27903, 28689, 30459, 31317, 56199, 57013, 67379, 102311, 105193, 120913, 124319, 171039, 202137, 306933, 315579, 362739, 372957, 678973, 741169, 1330043, 1367509, 2036919, 2223507, 3990129, 4102527, 7468703, 8826649, 22406109, 26479947, 97093139, 291279417]

約数ペア:

[(1, 291279417), (3, 97093139), (11, 26479947), (13, 22406109), (33, 8826649), (39, 7468703), (71, 4102527), (73, 3990129), (131, 2223507), (143, 2036919), (213, 1367509), (219, 1330043), (393, 741169), (429, 678973), (781, 372957), (803, 362739), (923, 315579), (949, 306933), (1441, 202137), (1703, 171039), (2343, 124319), (2409, 120913), (2769, 105193), (2847, 102311), (4323, 67379), (5109, 57013), (5183, 56199), (9301, 31317), (9563, 30459), (10153, 28689), (10439, 27903), (15549, 18733)]