213432009

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{1013}}^1$

素因数の和:1229

約数の個数: 32

約数和(自身を含む): 332267520

約数和(自身を除く): 118835511

約数列:

[1, 3, 7, 21, 79, 127, 237, 381, 553, 889, 1013, 1659, 2667, 3039, 7091, 10033, 21273, 30099, 70231, 80027, 128651, 210693, 240081, 385953, 560189, 900557, 1680567, 2701671, 10163429, 30490287, 71144003, 213432009]

約数ペア:

[(1, 213432009), (3, 71144003), (7, 30490287), (21, 10163429), (79, 2701671), (127, 1680567), (237, 900557), (381, 560189), (553, 385953), (889, 240081), (1013, 210693), (1659, 128651), (2667, 80027), (3039, 70231), (7091, 30099), (10033, 21273)]