16790319

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 31973760

約数和(自身を除く): 15183441

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 83, 91, 117, 133, 169, 171, 247, 249, 273, 399, 507, 581, 741, 747, 819, 1079, 1183, 1197, 1521, 1577, 1729, 1743, 2223, 3211, 3237, 3549, 4731, 5187, 5229, 7553, 9633, 9711, 10647, 11039, 14027, 14193, 15561, 20501, 22477, 22659, 28899, 33117, 42081, 61503, 67431, 67977, 98189, 99351, 126243, 143507, 184509, 202293, 266513, 294567, 430521, 799539, 883701, 1291563, 1865591, 2398617, 5596773, 16790319]

約数ペア:

[(1, 16790319), (3, 5596773), (7, 2398617), (9, 1865591), (13, 1291563), (19, 883701), (21, 799539), (39, 430521), (57, 294567), (63, 266513), (83, 202293), (91, 184509), (117, 143507), (133, 126243), (169, 99351), (171, 98189), (247, 67977), (249, 67431), (273, 61503), (399, 42081), (507, 33117), (581, 28899), (741, 22659), (747, 22477), (819, 20501), (1079, 15561), (1183, 14193), (1197, 14027), (1521, 11039), (1577, 10647), (1729, 9711), (1743, 9633), (2223, 7553), (3211, 5229), (3237, 5187), (3549, 4731)]