320151639

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{563}}^1$

素因数の和:759

約数の個数: 32

約数和(自身を含む): 452643840

約数和(自身を除く): 132492201

約数列:

[1, 3, 37, 47, 109, 111, 141, 327, 563, 1689, 1739, 4033, 5123, 5217, 12099, 15369, 20831, 26461, 61367, 62493, 79383, 184101, 189551, 568653, 979057, 2270579, 2884249, 2937171, 6811737, 8652747, 106717213, 320151639]

約数ペア:

[(1, 320151639), (3, 106717213), (37, 8652747), (47, 6811737), (109, 2937171), (111, 2884249), (141, 2270579), (327, 979057), (563, 568653), (1689, 189551), (1739, 184101), (4033, 79383), (5123, 62493), (5217, 61367), (12099, 26461), (15369, 20831)]