2169783

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 4073472

約数和(自身を除く): 1903689

約数列:

[1, 3, 7, 9, 11, 21, 31, 33, 63, 77, 93, 99, 101, 217, 231, 279, 303, 341, 651, 693, 707, 909, 1023, 1111, 1953, 2121, 2387, 3069, 3131, 3333, 6363, 7161, 7777, 9393, 9999, 21483, 21917, 23331, 28179, 34441, 65751, 69993, 103323, 197253, 241087, 309969, 723261, 2169783]

約数ペア:

[(1, 2169783), (3, 723261), (7, 309969), (9, 241087), (11, 197253), (21, 103323), (31, 69993), (33, 65751), (63, 34441), (77, 28179), (93, 23331), (99, 21917), (101, 21483), (217, 9999), (231, 9393), (279, 7777), (303, 7161), (341, 6363), (651, 3333), (693, 3131), (707, 3069), (909, 2387), (1023, 2121), (1111, 1953)]