42880761

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1439}}^1$

素因数の和:1506

約数の個数: 48

約数和(自身を含む): 79073280

約数和(自身を除く): 36192519

約数列:

[1, 3, 7, 9, 11, 21, 33, 43, 63, 77, 99, 129, 231, 301, 387, 473, 693, 903, 1419, 1439, 2709, 3311, 4257, 4317, 9933, 10073, 12951, 15829, 29799, 30219, 47487, 61877, 90657, 110803, 142461, 185631, 332409, 433139, 556893, 680647, 997227, 1299417, 2041941, 3898251, 4764529, 6125823, 14293587, 42880761]

約数ペア:

[(1, 42880761), (3, 14293587), (7, 6125823), (9, 4764529), (11, 3898251), (21, 2041941), (33, 1299417), (43, 997227), (63, 680647), (77, 556893), (99, 433139), (129, 332409), (231, 185631), (301, 142461), (387, 110803), (473, 90657), (693, 61877), (903, 47487), (1419, 30219), (1439, 29799), (2709, 15829), (3311, 12951), (4257, 10073), (4317, 9933)]