30780057

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7013}}^1$

素因数の和:7053

約数の個数: 32

約数和(自身を含む): 53867520

約数和(自身を除く): 23087463

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389, 7013, 21039, 49091, 77143, 133247, 147273, 231429, 399741, 540001, 932729, 1465717, 1620003, 2798187, 4397151, 10260019, 30780057]

約数ペア:

[(1, 30780057), (3, 10260019), (7, 4397151), (11, 2798187), (19, 1620003), (21, 1465717), (33, 932729), (57, 540001), (77, 399741), (133, 231429), (209, 147273), (231, 133247), (399, 77143), (627, 49091), (1463, 21039), (4389, 7013)]