38987025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 82756608

約数和(自身を除く): 43769583

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 43, 55, 75, 77, 105, 129, 157, 165, 175, 215, 231, 275, 301, 385, 471, 473, 525, 645, 785, 825, 903, 1075, 1099, 1155, 1419, 1505, 1727, 1925, 2355, 2365, 3225, 3297, 3311, 3925, 4515, 5181, 5495, 5775, 6751, 7095, 7525, 8635, 9933, 11775, 11825, 12089, 16485, 16555, 20253, 22575, 25905, 27475, 33755, 35475, 36267, 43175, 47257, 49665, 60445, 74261, 82425, 82775, 101265, 129525, 141771, 168775, 181335, 222783, 236285, 248325, 302225, 371305, 506325, 519827, 708855, 906675, 1113915, 1181425, 1559481, 1856525, 2599135, 3544275, 5569575, 7797405, 12995675, 38987025]

約数ペア:

[(1, 38987025), (3, 12995675), (5, 7797405), (7, 5569575), (11, 3544275), (15, 2599135), (21, 1856525), (25, 1559481), (33, 1181425), (35, 1113915), (43, 906675), (55, 708855), (75, 519827), (77, 506325), (105, 371305), (129, 302225), (157, 248325), (165, 236285), (175, 222783), (215, 181335), (231, 168775), (275, 141771), (301, 129525), (385, 101265), (471, 82775), (473, 82425), (525, 74261), (645, 60445), (785, 49665), (825, 47257), (903, 43175), (1075, 36267), (1099, 35475), (1155, 33755), (1419, 27475), (1505, 25905), (1727, 22575), (1925, 20253), (2355, 16555), (2365, 16485), (3225, 12089), (3297, 11825), (3311, 11775), (3925, 9933), (4515, 8635), (5181, 7525), (5495, 7095), (5775, 6751)]