140408079

素因数分解:

$3^1\times 7^4\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:325

約数の個数: 40

約数和(自身を含む): 221704752

約数和(自身を除く): 81296673

約数列:

[1, 3, 7, 21, 49, 101, 147, 193, 303, 343, 579, 707, 1029, 1351, 2121, 2401, 4053, 4949, 7203, 9457, 14847, 19493, 28371, 34643, 58479, 66199, 103929, 136451, 198597, 242501, 409353, 463393, 727503, 955157, 1390179, 2865471, 6686099, 20058297, 46802693, 140408079]

約数ペア:

[(1, 140408079), (3, 46802693), (7, 20058297), (21, 6686099), (49, 2865471), (101, 1390179), (147, 955157), (193, 727503), (303, 463393), (343, 409353), (579, 242501), (707, 198597), (1029, 136451), (1351, 103929), (2121, 66199), (2401, 58479), (4053, 34643), (4949, 28371), (7203, 19493), (9457, 14847)]