16811487

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1427}}^1$

素因数の和:1468

約数の個数: 48

約数和(自身を含む): 32078592

約数和(自身を除く): 15267105

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 51, 63, 77, 99, 119, 153, 187, 231, 357, 561, 693, 1071, 1309, 1427, 1683, 3927, 4281, 9989, 11781, 12843, 15697, 24259, 29967, 47091, 72777, 89901, 109879, 141273, 169813, 218331, 266849, 329637, 509439, 800547, 988911, 1528317, 1867943, 2401641, 5603829, 16811487]

約数ペア:

[(1, 16811487), (3, 5603829), (7, 2401641), (9, 1867943), (11, 1528317), (17, 988911), (21, 800547), (33, 509439), (51, 329637), (63, 266849), (77, 218331), (99, 169813), (119, 141273), (153, 109879), (187, 89901), (231, 72777), (357, 47091), (561, 29967), (693, 24259), (1071, 15697), (1309, 12843), (1427, 11781), (1683, 9989), (3927, 4281)]