51638769

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21017}}^1$

素因数の和:21046

約数の個数: 32

約数和(自身を含む): 94160640

約数和(自身を除く): 42521871

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 21017, 63051, 147119, 189153, 273221, 441357, 567459, 819663, 1324071, 1912547, 2458989, 3972213, 5737641, 7376967, 17212923, 51638769]

約数ペア:

[(1, 51638769), (3, 17212923), (7, 7376967), (9, 5737641), (13, 3972213), (21, 2458989), (27, 1912547), (39, 1324071), (63, 819663), (91, 567459), (117, 441357), (189, 273221), (273, 189153), (351, 147119), (819, 63051), (2457, 21017)]