215565999

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{2089}}^1$

素因数の和:2215

約数の個数: 32

約数和(自身を含む): 325036800

約数和(自身を除く): 109470801

約数列:

[1, 3, 11, 33, 53, 59, 159, 177, 583, 649, 1749, 1947, 2089, 3127, 6267, 9381, 22979, 34397, 68937, 103191, 110717, 123251, 332151, 369753, 1217887, 1355761, 3653661, 4067283, 6532303, 19596909, 71855333, 215565999]

約数ペア:

[(1, 215565999), (3, 71855333), (11, 19596909), (33, 6532303), (53, 4067283), (59, 3653661), (159, 1355761), (177, 1217887), (583, 369753), (649, 332151), (1749, 123251), (1947, 110717), (2089, 103191), (3127, 68937), (6267, 34397), (9381, 22979)]