12742107

素因数分解:

$3^1\times 7^4\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 40

約数和(自身を含む): 20839440

約数和(自身を除く): 8097333

約数列:

[1, 3, 7, 21, 29, 49, 61, 87, 147, 183, 203, 343, 427, 609, 1029, 1281, 1421, 1769, 2401, 2989, 4263, 5307, 7203, 8967, 9947, 12383, 20923, 29841, 37149, 62769, 69629, 86681, 146461, 208887, 260043, 439383, 606767, 1820301, 4247369, 12742107]

約数ペア:

[(1, 12742107), (3, 4247369), (7, 1820301), (21, 606767), (29, 439383), (49, 260043), (61, 208887), (87, 146461), (147, 86681), (183, 69629), (203, 62769), (343, 37149), (427, 29841), (609, 20923), (1029, 12383), (1281, 9947), (1421, 8967), (1769, 7203), (2401, 5307), (2989, 4263)]