217570539

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1987}}^1$

素因数の和:2139

約数の個数: 32

約数和(自身を含む): 326350080

約数和(自身を除く): 108779541

約数列:

[1, 3, 17, 19, 51, 57, 113, 323, 339, 969, 1921, 1987, 2147, 5763, 5961, 6441, 33779, 36499, 37753, 101337, 109497, 113259, 224531, 641801, 673593, 1925403, 3817027, 4266089, 11451081, 12798267, 72523513, 217570539]

約数ペア:

[(1, 217570539), (3, 72523513), (17, 12798267), (19, 11451081), (51, 4266089), (57, 3817027), (113, 1925403), (323, 673593), (339, 641801), (969, 224531), (1921, 113259), (1987, 109497), (2147, 101337), (5763, 37753), (5961, 36499), (6441, 33779)]