57138921

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1721}}^1$

素因数の和:1782

約数の個数: 48

約数和(自身を含む): 103154688

約数和(自身を除く): 46015767

約数列:

[1, 3, 7, 9, 17, 21, 31, 51, 63, 93, 119, 153, 217, 279, 357, 527, 651, 1071, 1581, 1721, 1953, 3689, 4743, 5163, 11067, 12047, 15489, 29257, 33201, 36141, 53351, 87771, 108423, 160053, 204799, 263313, 373457, 480159, 614397, 906967, 1120371, 1843191, 2720901, 3361113, 6348769, 8162703, 19046307, 57138921]

約数ペア:

[(1, 57138921), (3, 19046307), (7, 8162703), (9, 6348769), (17, 3361113), (21, 2720901), (31, 1843191), (51, 1120371), (63, 906967), (93, 614397), (119, 480159), (153, 373457), (217, 263313), (279, 204799), (357, 160053), (527, 108423), (651, 87771), (1071, 53351), (1581, 36141), (1721, 33201), (1953, 29257), (3689, 15489), (4743, 12047), (5163, 11067)]