38943681

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 63442368

約数和(自身を除く): 24498687

約数列:

[1, 3, 7, 21, 43, 49, 61, 101, 129, 147, 183, 301, 303, 427, 707, 903, 1281, 2107, 2121, 2623, 2989, 4343, 4949, 6161, 6321, 7869, 8967, 13029, 14847, 18361, 18483, 30401, 43127, 55083, 91203, 128527, 129381, 212807, 264923, 301889, 385581, 638421, 794769, 905667, 1854461, 5563383, 12981227, 38943681]

約数ペア:

[(1, 38943681), (3, 12981227), (7, 5563383), (21, 1854461), (43, 905667), (49, 794769), (61, 638421), (101, 385581), (129, 301889), (147, 264923), (183, 212807), (301, 129381), (303, 128527), (427, 91203), (707, 55083), (903, 43127), (1281, 30401), (2107, 18483), (2121, 18361), (2623, 14847), (2989, 13029), (4343, 8967), (4949, 7869), (6161, 6321)]