18002649

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 29877120

約数和(自身を除く): 11874471

約数列:

[1, 3, 7, 21, 29, 41, 49, 87, 103, 123, 147, 203, 287, 309, 609, 721, 861, 1189, 1421, 2009, 2163, 2987, 3567, 4223, 4263, 5047, 6027, 8323, 8961, 12669, 15141, 20909, 24969, 29561, 58261, 62727, 88683, 122467, 146363, 174783, 206927, 367401, 439089, 620781, 857269, 2571807, 6000883, 18002649]

約数ペア:

[(1, 18002649), (3, 6000883), (7, 2571807), (21, 857269), (29, 620781), (41, 439089), (49, 367401), (87, 206927), (103, 174783), (123, 146363), (147, 122467), (203, 88683), (287, 62727), (309, 58261), (609, 29561), (721, 24969), (861, 20909), (1189, 15141), (1421, 12669), (2009, 8961), (2163, 8323), (2987, 6027), (3567, 5047), (4223, 4263)]