2428881

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:102

約数の個数: 48

約数和(自身を含む): 4290048

約数和(自身を除く): 1861167

約数列:

[1, 3, 7, 13, 21, 31, 39, 41, 49, 91, 93, 123, 147, 217, 273, 287, 403, 533, 637, 651, 861, 1209, 1271, 1519, 1599, 1911, 2009, 2821, 3731, 3813, 4557, 6027, 8463, 8897, 11193, 16523, 19747, 26117, 26691, 49569, 59241, 62279, 78351, 115661, 186837, 346983, 809627, 2428881]

約数ペア:

[(1, 2428881), (3, 809627), (7, 346983), (13, 186837), (21, 115661), (31, 78351), (39, 62279), (41, 59241), (49, 49569), (91, 26691), (93, 26117), (123, 19747), (147, 16523), (217, 11193), (273, 8897), (287, 8463), (403, 6027), (533, 4557), (637, 3813), (651, 3731), (861, 2821), (1209, 2009), (1271, 1911), (1519, 1599)]