3951981

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:238

約数の個数: 36

約数和(自身を含む): 6639360

約数和(自身を除く): 2687379

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 121, 171, 191, 209, 363, 573, 627, 1089, 1719, 1881, 2101, 2299, 3629, 6303, 6897, 10887, 18909, 20691, 23111, 32661, 39919, 69333, 119757, 207999, 359271, 439109, 1317327, 3951981]

約数ペア:

[(1, 3951981), (3, 1317327), (9, 439109), (11, 359271), (19, 207999), (33, 119757), (57, 69333), (99, 39919), (121, 32661), (171, 23111), (191, 20691), (209, 18909), (363, 10887), (573, 6897), (627, 6303), (1089, 3629), (1719, 2299), (1881, 2101)]