1256451

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:143

約数の個数: 32

約数和(自身を含む): 2088960

約数和(自身を除く): 832509

約数列:

[1, 3, 7, 19, 21, 47, 57, 67, 133, 141, 201, 329, 399, 469, 893, 987, 1273, 1407, 2679, 3149, 3819, 6251, 8911, 9447, 18753, 22043, 26733, 59831, 66129, 179493, 418817, 1256451]

約数ペア:

[(1, 1256451), (3, 418817), (7, 179493), (19, 66129), (21, 59831), (47, 26733), (57, 22043), (67, 18753), (133, 9447), (141, 8911), (201, 6251), (329, 3819), (399, 3149), (469, 2679), (893, 1407), (987, 1273)]