1261771

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:258

約数の個数: 16

約数和(自身を含む): 1555200

約数和(自身を除く): 293429

約数列:

[1, 7, 19, 53, 133, 179, 371, 1007, 1253, 3401, 7049, 9487, 23807, 66409, 180253, 1261771]

約数ペア:

[(1, 1261771), (7, 180253), (19, 66409), (53, 23807), (133, 9487), (179, 7049), (371, 3401), (1007, 1253)]