8312115

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 15890688

約数和(自身を除く): 7578573

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 49, 105, 129, 147, 215, 245, 263, 301, 645, 735, 789, 903, 1315, 1505, 1841, 2107, 3945, 4515, 5523, 6321, 9205, 10535, 11309, 12887, 27615, 31605, 33927, 38661, 56545, 64435, 79163, 169635, 193305, 237489, 395815, 554141, 1187445, 1662423, 2770705, 8312115]

約数ペア:

[(1, 8312115), (3, 2770705), (5, 1662423), (7, 1187445), (15, 554141), (21, 395815), (35, 237489), (43, 193305), (49, 169635), (105, 79163), (129, 64435), (147, 56545), (215, 38661), (245, 33927), (263, 31605), (301, 27615), (645, 12887), (735, 11309), (789, 10535), (903, 9205), (1315, 6321), (1505, 5523), (1841, 4515), (2107, 3945)]