219914541

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{761}}^1$

素因数の和:927

約数の個数: 64

約数和(自身を含む): 409651200

約数和(自身を除く): 189736659

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 139, 189, 231, 297, 417, 693, 761, 973, 1251, 1529, 2079, 2283, 2919, 3753, 4587, 5327, 6849, 8371, 8757, 10703, 13761, 15981, 20547, 25113, 26271, 32109, 41283, 47943, 58597, 75339, 96327, 105779, 143829, 175791, 226017, 288981, 317337, 527373, 740453, 952011, 1163569, 1582119, 2221359, 2856033, 3490707, 6664077, 8144983, 10472121, 19992231, 24434949, 31416363, 73304847, 219914541]

約数ペア:

[(1, 219914541), (3, 73304847), (7, 31416363), (9, 24434949), (11, 19992231), (21, 10472121), (27, 8144983), (33, 6664077), (63, 3490707), (77, 2856033), (99, 2221359), (139, 1582119), (189, 1163569), (231, 952011), (297, 740453), (417, 527373), (693, 317337), (761, 288981), (973, 226017), (1251, 175791), (1529, 143829), (2079, 105779), (2283, 96327), (2919, 75339), (3753, 58597), (4587, 47943), (5327, 41283), (6849, 32109), (8371, 26271), (8757, 25113), (10703, 20547), (13761, 15981)]