8643159

素因数分解:

$3^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 15321600

約数和(自身を除く): 6678441

約数列:

[1, 3, 7, 9, 21, 27, 47, 49, 63, 139, 141, 147, 189, 329, 417, 423, 441, 973, 987, 1251, 1269, 1323, 2303, 2919, 2961, 3753, 6533, 6811, 6909, 8757, 8883, 19599, 20433, 20727, 26271, 45731, 58797, 61299, 62181, 137193, 176391, 183897, 320117, 411579, 960351, 1234737, 2881053, 8643159]

約数ペア:

[(1, 8643159), (3, 2881053), (7, 1234737), (9, 960351), (21, 411579), (27, 320117), (47, 183897), (49, 176391), (63, 137193), (139, 62181), (141, 61299), (147, 58797), (189, 45731), (329, 26271), (417, 20727), (423, 20433), (441, 19599), (973, 8883), (987, 8757), (1251, 6909), (1269, 6811), (1323, 6533), (2303, 3753), (2919, 2961)]