239778819

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{26993}}^1$

素因数の和:27056

約数の個数: 32

約数和(自身を含む): 414627840

約数和(自身を除く): 174849021

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2961, 8883, 26993, 80979, 188951, 242937, 566853, 728811, 1268671, 1700559, 3806013, 5101677, 8880697, 11418039, 26642091, 34254117, 79926273, 239778819]

約数ペア:

[(1, 239778819), (3, 79926273), (7, 34254117), (9, 26642091), (21, 11418039), (27, 8880697), (47, 5101677), (63, 3806013), (141, 1700559), (189, 1268671), (329, 728811), (423, 566853), (987, 242937), (1269, 188951), (2961, 80979), (8883, 26993)]