72638223

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{313}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 114064896

約数和(自身を除く): 41426673

約数列:

[1, 3, 7, 21, 43, 129, 257, 301, 313, 771, 903, 939, 1799, 2191, 5397, 6573, 11051, 13459, 33153, 40377, 77357, 80441, 94213, 232071, 241323, 282639, 563087, 1689261, 3458963, 10376889, 24212741, 72638223]

約数ペア:

[(1, 72638223), (3, 24212741), (7, 10376889), (21, 3458963), (43, 1689261), (129, 563087), (257, 282639), (301, 241323), (313, 232071), (771, 94213), (903, 80441), (939, 77357), (1799, 40377), (2191, 33153), (5397, 13459), (6573, 11051)]