201440421

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{857}}^1$

素因数の和:931

約数の個数: 72

約数和(自身を含む): 373837464

約数和(自身を除く): 172397043

約数列:

[1, 3, 7, 9, 13, 21, 39, 41, 49, 63, 91, 117, 123, 147, 273, 287, 369, 441, 533, 637, 819, 857, 861, 1599, 1911, 2009, 2571, 2583, 3731, 4797, 5733, 5999, 6027, 7713, 11141, 11193, 17997, 18081, 26117, 33423, 33579, 35137, 41993, 53991, 77987, 78351, 100269, 105411, 125979, 233961, 235053, 245959, 316233, 377937, 456781, 545909, 701883, 737877, 1370343, 1637727, 1721713, 2213631, 3197467, 4111029, 4913181, 5165139, 9592401, 15495417, 22382269, 28777203, 67146807, 201440421]

約数ペア:

[(1, 201440421), (3, 67146807), (7, 28777203), (9, 22382269), (13, 15495417), (21, 9592401), (39, 5165139), (41, 4913181), (49, 4111029), (63, 3197467), (91, 2213631), (117, 1721713), (123, 1637727), (147, 1370343), (273, 737877), (287, 701883), (369, 545909), (441, 456781), (533, 377937), (637, 316233), (819, 245959), (857, 235053), (861, 233961), (1599, 125979), (1911, 105411), (2009, 100269), (2571, 78351), (2583, 77987), (3731, 53991), (4797, 41993), (5733, 35137), (5999, 33579), (6027, 33423), (7713, 26117), (11141, 18081), (11193, 17997)]