219345357

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 381542400

約数和(自身を除く): 162197043

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 137, 203, 231, 239, 319, 411, 609, 717, 957, 959, 1507, 1673, 2233, 2629, 2877, 3973, 4521, 5019, 6699, 6931, 7887, 10549, 11919, 18403, 20793, 27811, 31647, 32743, 43703, 48517, 55209, 76241, 83433, 98229, 131109, 145551, 228723, 229201, 305921, 360173, 533687, 687603, 917763, 949547, 1080519, 1601061, 2521211, 2848641, 6646829, 7563633, 10445017, 19940487, 31335051, 73115119, 219345357]

約数ペア:

[(1, 219345357), (3, 73115119), (7, 31335051), (11, 19940487), (21, 10445017), (29, 7563633), (33, 6646829), (77, 2848641), (87, 2521211), (137, 1601061), (203, 1080519), (231, 949547), (239, 917763), (319, 687603), (411, 533687), (609, 360173), (717, 305921), (957, 229201), (959, 228723), (1507, 145551), (1673, 131109), (2233, 98229), (2629, 83433), (2877, 76241), (3973, 55209), (4521, 48517), (5019, 43703), (6699, 32743), (6931, 31647), (7887, 27811), (10549, 20793), (11919, 18403)]