78909663

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2579}}^1$

素因数の和:2667

約数の個数: 32

約数和(自身を含む): 126812160

約数和(自身を除く): 47902497

約数列:

[1, 3, 7, 21, 31, 47, 93, 141, 217, 329, 651, 987, 1457, 2579, 4371, 7737, 10199, 18053, 30597, 54159, 79949, 121213, 239847, 363639, 559643, 848491, 1678929, 2545473, 3757603, 11272809, 26303221, 78909663]

約数ペア:

[(1, 78909663), (3, 26303221), (7, 11272809), (21, 3757603), (31, 2545473), (47, 1678929), (93, 848491), (141, 559643), (217, 363639), (329, 239847), (651, 121213), (987, 79949), (1457, 54159), (2579, 30597), (4371, 18053), (7737, 10199)]