420717

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:105

約数の個数: 24

約数和(自身を含む): 659680

約数和(自身を除く): 238963

約数列:

[1, 3, 11, 19, 33, 57, 61, 121, 183, 209, 363, 627, 671, 1159, 2013, 2299, 3477, 6897, 7381, 12749, 22143, 38247, 140239, 420717]

約数ペア:

[(1, 420717), (3, 140239), (11, 38247), (19, 22143), (33, 12749), (57, 7381), (61, 6897), (121, 3477), (183, 2299), (209, 2013), (363, 1159), (627, 671)]