245763

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:143

約数の個数: 24

約数和(自身を含む): 419328

約数和(自身を除く): 173565

約数列:

[1, 3, 7, 9, 21, 47, 63, 83, 141, 249, 329, 423, 581, 747, 987, 1743, 2961, 3901, 5229, 11703, 27307, 35109, 81921, 245763]

約数ペア:

[(1, 245763), (3, 81921), (7, 35109), (9, 27307), (21, 11703), (47, 5229), (63, 3901), (83, 2961), (141, 1743), (249, 987), (329, 747), (423, 581)]