145089

素因数分解:

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

素因数の和:74

約数の個数: 24

約数和(自身を含む): 249600

約数和(自身を除く): 104511

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 343, 423, 441, 987, 1029, 2303, 2961, 3087, 6909, 16121, 20727, 48363, 145089]

約数ペア:

[(1, 145089), (3, 48363), (7, 20727), (9, 16121), (21, 6909), (47, 3087), (49, 2961), (63, 2303), (141, 1029), (147, 987), (329, 441), (343, 423)]