1405962009

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{17827}}^1$

素因数の和:17986

約数の個数: 32

約数和(自身を含む): 2190704640

約数和(自身を除く): 784742631

約数列:

[1, 3, 9, 23, 27, 69, 127, 207, 381, 621, 1143, 2921, 3429, 8763, 17827, 26289, 53481, 78867, 160443, 410021, 481329, 1230063, 2264029, 3690189, 6792087, 11070567, 20376261, 52072667, 61128783, 156218001, 468654003, 1405962009]

約数ペア:

[(1, 1405962009), (3, 468654003), (9, 156218001), (23, 61128783), (27, 52072667), (69, 20376261), (127, 11070567), (207, 6792087), (381, 3690189), (621, 2264029), (1143, 1230063), (2921, 481329), (3429, 410021), (8763, 160443), (17827, 78867), (26289, 53481)]