13225905

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{347}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 28881216

約数和(自身を除く): 15655311

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 121, 165, 231, 315, 347, 363, 385, 495, 605, 693, 847, 1041, 1089, 1155, 1735, 1815, 2429, 2541, 3123, 3465, 3817, 4235, 5205, 5445, 7287, 7623, 11451, 12145, 12705, 15615, 19085, 21861, 26719, 34353, 36435, 38115, 41987, 57255, 80157, 109305, 125961, 133595, 171765, 209935, 240471, 293909, 377883, 400785, 629805, 881727, 1202355, 1469545, 1889415, 2645181, 4408635, 13225905]

約数ペア:

[(1, 13225905), (3, 4408635), (5, 2645181), (7, 1889415), (9, 1469545), (11, 1202355), (15, 881727), (21, 629805), (33, 400785), (35, 377883), (45, 293909), (55, 240471), (63, 209935), (77, 171765), (99, 133595), (105, 125961), (121, 109305), (165, 80157), (231, 57255), (315, 41987), (347, 38115), (363, 36435), (385, 34353), (495, 26719), (605, 21861), (693, 19085), (847, 15615), (1041, 12705), (1089, 12145), (1155, 11451), (1735, 7623), (1815, 7287), (2429, 5445), (2541, 5205), (3123, 4235), (3465, 3817)]