38401839

素因数分解:

$3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{53}}^2$

素因数の和:157

約数の個数: 54

約数和(自身を含む): 67887456

約数和(自身を除く): 29485617

約数列:

[1, 3, 7, 9, 21, 31, 49, 53, 63, 93, 147, 159, 217, 279, 371, 441, 477, 651, 1113, 1519, 1643, 1953, 2597, 2809, 3339, 4557, 4929, 7791, 8427, 11501, 13671, 14787, 19663, 23373, 25281, 34503, 58989, 80507, 87079, 103509, 137641, 176967, 241521, 261237, 412923, 609553, 724563, 783711, 1238769, 1828659, 4266871, 5485977, 12800613, 38401839]

約数ペア:

[(1, 38401839), (3, 12800613), (7, 5485977), (9, 4266871), (21, 1828659), (31, 1238769), (49, 783711), (53, 724563), (63, 609553), (93, 412923), (147, 261237), (159, 241521), (217, 176967), (279, 137641), (371, 103509), (441, 87079), (477, 80507), (651, 58989), (1113, 34503), (1519, 25281), (1643, 23373), (1953, 19663), (2597, 14787), (2809, 13671), (3339, 11501), (4557, 8427), (4929, 7791)]