27880965

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1451}}^1$

素因数の和:1530

約数の個数: 48

約数和(自身を含む): 56174976

約数和(自身を除く): 28294011

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 61, 63, 105, 183, 305, 315, 427, 549, 915, 1281, 1451, 2135, 2745, 3843, 4353, 6405, 7255, 10157, 13059, 19215, 21765, 30471, 50785, 65295, 88511, 91413, 152355, 265533, 442555, 457065, 619577, 796599, 1327665, 1858731, 3097885, 3982995, 5576193, 9293655, 27880965]

約数ペア:

[(1, 27880965), (3, 9293655), (5, 5576193), (7, 3982995), (9, 3097885), (15, 1858731), (21, 1327665), (35, 796599), (45, 619577), (61, 457065), (63, 442555), (105, 265533), (183, 152355), (305, 91413), (315, 88511), (427, 65295), (549, 50785), (915, 30471), (1281, 21765), (1451, 19215), (2135, 13059), (2745, 10157), (3843, 7255), (4353, 6405)]