438365193

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{601}}^1\times {\mathrm{739}}^1$

素因数の和:1397

約数の個数: 32

約数和(自身を含む): 684257280

約数和(自身を除く): 245892087

約数列:

[1, 3, 7, 21, 47, 141, 329, 601, 739, 987, 1803, 2217, 4207, 5173, 12621, 15519, 28247, 34733, 84741, 104199, 197729, 243131, 444139, 593187, 729393, 1332417, 3108973, 9326919, 20874533, 62623599, 146121731, 438365193]

約数ペア:

[(1, 438365193), (3, 146121731), (7, 62623599), (21, 20874533), (47, 9326919), (141, 3108973), (329, 1332417), (601, 729393), (739, 593187), (987, 444139), (1803, 243131), (2217, 197729), (4207, 104199), (5173, 84741), (12621, 34733), (15519, 28247)]