51657543

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 91203840

約数和(自身を除く): 39546297

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 139, 153, 347, 357, 417, 973, 1041, 1071, 1251, 2363, 2429, 2919, 3123, 5899, 7089, 7287, 8757, 16541, 17697, 21267, 21861, 41293, 48233, 49623, 53091, 123879, 144699, 148869, 337631, 371637, 434097, 819961, 1012893, 2459883, 3038679, 5739727, 7379649, 17219181, 51657543]

約数ペア:

[(1, 51657543), (3, 17219181), (7, 7379649), (9, 5739727), (17, 3038679), (21, 2459883), (51, 1012893), (63, 819961), (119, 434097), (139, 371637), (153, 337631), (347, 148869), (357, 144699), (417, 123879), (973, 53091), (1041, 49623), (1071, 48233), (1251, 41293), (2363, 21861), (2429, 21267), (2919, 17697), (3123, 16541), (5899, 8757), (7089, 7287)]