218930901

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{2843}}^1$

素因数の和:3065

約数の個数: 32

約数和(自身を含む): 353111040

約数和(自身を除く): 134180139

約数列:

[1, 3, 7, 19, 21, 57, 133, 193, 399, 579, 1351, 2843, 3667, 4053, 8529, 11001, 19901, 25669, 54017, 59703, 77007, 162051, 378119, 548699, 1134357, 1646097, 3840893, 10425281, 11522679, 31275843, 72976967, 218930901]

約数ペア:

[(1, 218930901), (3, 72976967), (7, 31275843), (19, 11522679), (21, 10425281), (57, 3840893), (133, 1646097), (193, 1134357), (399, 548699), (579, 378119), (1351, 162051), (2843, 77007), (3667, 59703), (4053, 54017), (8529, 25669), (11001, 19901)]