51702021

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{919}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 91852800

約数和(自身を除く): 40150779

約数列:

[1, 3, 7, 9, 19, 21, 47, 57, 63, 133, 141, 171, 329, 399, 423, 893, 919, 987, 1197, 2679, 2757, 2961, 6251, 6433, 8037, 8271, 17461, 18753, 19299, 43193, 52383, 56259, 57897, 122227, 129579, 157149, 302351, 366681, 388737, 820667, 907053, 1100043, 2462001, 2721159, 5744669, 7386003, 17234007, 51702021]

約数ペア:

[(1, 51702021), (3, 17234007), (7, 7386003), (9, 5744669), (19, 2721159), (21, 2462001), (47, 1100043), (57, 907053), (63, 820667), (133, 388737), (141, 366681), (171, 302351), (329, 157149), (399, 129579), (423, 122227), (893, 57897), (919, 56259), (987, 52383), (1197, 43193), (2679, 19299), (2757, 18753), (2961, 17461), (6251, 8271), (6433, 8037)]